/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_copy8_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:06:07,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:06:07,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:06:07,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:06:07,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:06:07,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:06:07,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:06:07,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:06:07,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:06:07,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:06:07,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:06:07,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:06:07,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:06:07,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:06:07,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:06:07,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:06:07,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:06:07,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:06:07,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:06:07,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:06:07,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:06:07,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:06:07,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:06:07,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:06:07,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:06:07,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 23:06:07,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 23:06:07,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 23:06:07,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 23:06:07,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 23:06:07,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 23:06:07,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 23:06:07,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 23:06:07,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:06:07,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:06:07,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:06:07,351 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 23:06:07,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:06:07,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:06:07,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:06:07,384 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:06:07,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:06:07,384 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:06:07,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:06:07,385 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:06:07,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:06:07,385 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:06:07,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:06:07,386 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:06:07,387 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:06:07,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:06:07,387 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:06:07,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:06:07,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:06:07,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:06:07,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:06:07,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:06:07,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:06:07,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:06:07,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:06:07,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:06:07,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:06:07,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:06:07,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:06:07,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:06:07,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:06:07,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:06:07,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:06:07,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:06:07,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:06:07,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:06:07,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:06:07,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:06:07,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:06:07,394 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:06:07,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:06:07,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:06:07,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:06:07,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:06:07,686 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:06:07,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy8_ground-1.i [2019-11-23 23:06:07,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58d74470/7cbaca5702d24992b8492985cc3eb84c/FLAG2abf08f6e [2019-11-23 23:06:08,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:06:08,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy8_ground-1.i [2019-11-23 23:06:08,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58d74470/7cbaca5702d24992b8492985cc3eb84c/FLAG2abf08f6e [2019-11-23 23:06:08,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58d74470/7cbaca5702d24992b8492985cc3eb84c [2019-11-23 23:06:08,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:06:08,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:06:08,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:06:08,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:06:08,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:06:08,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:08" (1/1) ... [2019-11-23 23:06:08,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61850f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:08, skipping insertion in model container [2019-11-23 23:06:08,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:08" (1/1) ... [2019-11-23 23:06:08,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:06:08,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:06:08,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:06:08,889 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:06:09,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:06:09,061 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:06:09,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09 WrapperNode [2019-11-23 23:06:09,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:06:09,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:06:09,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:06:09,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:06:09,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:06:09,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:06:09,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:06:09,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:06:09,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (1/1) ... [2019-11-23 23:06:09,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:06:09,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:06:09,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:06:09,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:06:09,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (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 23:06:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:06:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:06:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:06:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:06:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:06:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:06:09,912 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:06:09,913 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-23 23:06:09,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:09 BoogieIcfgContainer [2019-11-23 23:06:09,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:06:09,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:06:09,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:06:09,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:06:09,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:08" (1/3) ... [2019-11-23 23:06:09,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb0d64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:09, skipping insertion in model container [2019-11-23 23:06:09,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:09" (2/3) ... [2019-11-23 23:06:09,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb0d64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:09, skipping insertion in model container [2019-11-23 23:06:09,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:09" (3/3) ... [2019-11-23 23:06:09,932 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy8_ground-1.i [2019-11-23 23:06:09,942 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:06:09,949 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:06:09,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:06:09,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:06:09,987 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:06:09,987 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:06:09,987 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:06:09,988 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:06:09,988 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:06:09,988 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:06:09,988 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:06:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-23 23:06:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-23 23:06:10,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:10,008 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:06:10,008 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:10,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:10,014 INFO L82 PathProgramCache]: Analyzing trace with hash 785793587, now seen corresponding path program 1 times [2019-11-23 23:06:10,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:10,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110927247] [2019-11-23 23:06:10,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:10,191 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 23:06:10,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110927247] [2019-11-23 23:06:10,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:06:10,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:06:10,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802939597] [2019-11-23 23:06:10,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:06:10,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:06:10,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:06:10,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:06:10,212 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2019-11-23 23:06:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:06:10,245 INFO L93 Difference]: Finished difference Result 31 states and 51 transitions. [2019-11-23 23:06:10,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:06:10,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-23 23:06:10,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:06:10,257 INFO L225 Difference]: With dead ends: 31 [2019-11-23 23:06:10,257 INFO L226 Difference]: Without dead ends: 16 [2019-11-23 23:06:10,261 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 23:06:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-23 23:06:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-23 23:06:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-23 23:06:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 25 transitions. [2019-11-23 23:06:10,294 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 25 transitions. Word has length 13 [2019-11-23 23:06:10,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:06:10,294 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 25 transitions. [2019-11-23 23:06:10,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:06:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-11-23 23:06:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-23 23:06:10,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:10,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:06:10,296 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:10,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:10,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1329173367, now seen corresponding path program 1 times [2019-11-23 23:06:10,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:10,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794611672] [2019-11-23 23:06:10,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:10,352 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 23:06:10,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794611672] [2019-11-23 23:06:10,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:06:10,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:06:10,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909950351] [2019-11-23 23:06:10,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:06:10,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:06:10,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:06:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:06:10,357 INFO L87 Difference]: Start difference. First operand 16 states and 25 transitions. Second operand 3 states. [2019-11-23 23:06:10,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:06:10,452 INFO L93 Difference]: Finished difference Result 36 states and 60 transitions. [2019-11-23 23:06:10,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:06:10,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-23 23:06:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:06:10,454 INFO L225 Difference]: With dead ends: 36 [2019-11-23 23:06:10,454 INFO L226 Difference]: Without dead ends: 24 [2019-11-23 23:06:10,455 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 23:06:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-23 23:06:10,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-23 23:06:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-23 23:06:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-23 23:06:10,462 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 33 transitions. Word has length 14 [2019-11-23 23:06:10,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:06:10,463 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-23 23:06:10,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:06:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2019-11-23 23:06:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-23 23:06:10,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:10,464 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] [2019-11-23 23:06:10,465 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:10,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1624009929, now seen corresponding path program 1 times [2019-11-23 23:06:10,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:10,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61614661] [2019-11-23 23:06:10,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:06:10,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61614661] [2019-11-23 23:06:10,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841415769] [2019-11-23 23:06:10,616 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 23:06:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:10,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:06:10,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:06:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:06:10,741 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:06:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:06:10,762 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1439616487] [2019-11-23 23:06:10,789 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-11-23 23:06:10,789 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:06:10,796 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:06:10,803 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:06:10,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:06:12,506 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 225 DAG size of output: 181 [2019-11-23 23:06:12,782 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-23 23:06:12,955 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-11-23 23:06:13,325 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2019-11-23 23:06:13,585 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-11-23 23:06:13,926 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 246 [2019-11-23 23:06:14,405 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2019-11-23 23:06:14,689 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 262 [2019-11-23 23:06:14,974 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2019-11-23 23:06:15,571 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-11-23 23:06:15,886 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 278 [2019-11-23 23:06:16,222 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 278 [2019-11-23 23:06:16,991 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2019-11-23 23:06:17,357 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 292 [2019-11-23 23:06:17,760 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 292 [2019-11-23 23:06:18,083 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-11-23 23:06:18,404 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 297 [2019-11-23 23:06:19,501 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-11-23 23:06:19,795 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2019-11-23 23:06:20,117 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2019-11-23 23:06:20,968 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-11-23 23:06:21,305 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 323 [2019-11-23 23:06:21,754 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 322 [2019-11-23 23:06:23,395 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2019-11-23 23:06:24,197 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2019-11-23 23:06:24,669 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 323 [2019-11-23 23:06:25,019 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2019-11-23 23:06:25,365 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2019-11-23 23:06:26,737 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-11-23 23:06:27,083 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-23 23:06:27,423 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2019-11-23 23:06:28,821 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 336 [2019-11-23 23:06:29,197 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 334 [2019-11-23 23:06:30,697 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 338 [2019-11-23 23:06:31,124 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 337 [2019-11-23 23:06:32,770 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-23 23:06:33,116 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-23 23:06:33,475 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 341 [2019-11-23 23:06:35,126 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 348 [2019-11-23 23:06:35,606 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 345 [2019-11-23 23:06:37,052 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-11-23 23:06:37,411 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2019-11-23 23:06:37,819 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 346 [2019-11-23 23:06:38,180 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2019-11-23 23:06:38,544 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2019-11-23 23:06:40,134 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-11-23 23:06:40,498 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 353 [2019-11-23 23:06:42,177 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-11-23 23:06:42,595 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 355 [2019-11-23 23:06:42,919 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-23 23:06:43,236 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 357 [2019-11-23 23:06:45,211 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 364 [2019-11-23 23:06:45,592 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 362 [2019-11-23 23:06:47,438 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2019-11-23 23:06:47,858 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 366 [2019-11-23 23:06:49,745 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2019-11-23 23:06:50,163 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2019-11-23 23:06:50,574 WARN L192 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:06:50,979 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2019-11-23 23:06:51,419 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-23 23:06:51,841 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 373 [2019-11-23 23:06:52,253 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-23 23:06:52,668 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 376 [2019-11-23 23:06:53,092 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-23 23:06:53,505 WARN L192 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 380 [2019-11-23 23:06:55,582 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2019-11-23 23:06:56,075 WARN L192 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 384 [2019-11-23 23:06:58,462 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-11-23 23:06:58,922 WARN L192 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 386 [2019-11-23 23:06:59,297 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-23 23:06:59,711 WARN L192 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 387 [2019-11-23 23:07:00,063 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2019-11-23 23:07:00,461 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2019-11-23 23:07:02,694 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-23 23:07:03,055 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-23 23:07:03,402 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 395 [2019-11-23 23:07:05,771 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2019-11-23 23:07:06,168 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 399 [2019-11-23 23:07:08,645 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-23 23:07:09,081 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 402 [2019-11-23 23:07:11,724 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-11-23 23:07:12,179 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 406 [2019-11-23 23:07:14,613 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 413 [2019-11-23 23:07:15,066 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2019-11-23 23:07:17,379 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-11-23 23:07:17,793 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2019-11-23 23:07:18,243 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 414 [2019-11-23 23:07:20,682 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-23 23:07:21,100 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-11-23 23:07:21,565 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2019-11-23 23:07:21,938 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2019-11-23 23:07:22,292 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 412 [2019-11-23 23:07:24,909 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 418 [2019-11-23 23:07:25,338 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 416 [2019-11-23 23:07:28,077 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2019-11-23 23:07:28,517 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 420 [2019-11-23 23:07:31,419 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2019-11-23 23:07:31,885 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 424 [2019-11-23 23:07:34,723 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 431 [2019-11-23 23:07:35,213 WARN L192 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 426 [2019-11-23 23:07:35,688 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2019-11-23 23:07:36,109 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 429 [2019-11-23 23:07:38,950 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 435 [2019-11-23 23:07:39,413 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 433 [2019-11-23 23:07:42,141 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-11-23 23:07:42,591 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 436