/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-multidimensional/copy-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:19:13,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:19:13,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:19:13,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:19:13,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:19:13,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:19:13,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:19:13,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:19:13,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:19:13,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:19:13,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:19:13,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:19:13,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:19:13,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:19:13,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:19:13,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:19:13,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:19:13,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:19:13,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:19:13,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:19:13,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:19:13,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:19:13,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:19:13,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:19:13,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:19:13,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:19:13,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:19:13,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:19:13,150 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 23:19:13,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:19:13,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:19:13,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:19:13,175 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:19:13,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:19:13,175 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:19:13,176 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:19:13,176 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:19:13,176 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:19:13,176 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:19:13,177 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:19:13,178 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:19:13,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:19:13,178 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:19:13,179 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:19:13,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:19:13,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:19:13,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:19:13,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:19:13,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:19:13,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:19:13,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:19:13,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:19:13,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:19:13,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:19:13,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:19:13,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:19:13,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:19:13,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:19:13,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:19:13,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:19:13,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:19:13,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:19:13,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:19:13,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:19:13,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:19:13,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:19:13,186 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:19:13,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:19:13,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:19:13,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:19:13,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:19:13,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:19:13,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-3-n-u.c [2019-11-23 23:19:13,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe91a40a/ff90d26c49fd498a8f241b7f68291b6d/FLAGd486d0841 [2019-11-23 23:19:14,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:19:14,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/copy-3-n-u.c [2019-11-23 23:19:14,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe91a40a/ff90d26c49fd498a8f241b7f68291b6d/FLAGd486d0841 [2019-11-23 23:19:14,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe91a40a/ff90d26c49fd498a8f241b7f68291b6d [2019-11-23 23:19:14,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:19:14,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:19:14,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:19:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:19:14,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:19:14,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24577294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14, skipping insertion in model container [2019-11-23 23:19:14,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:19:14,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:19:14,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:19:14,657 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:19:14,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:19:14,786 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:19:14,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14 WrapperNode [2019-11-23 23:19:14,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:19:14,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:19:14,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:19:14,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:19:14,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:19:14,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:19:14,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:19:14,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:19:14,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (1/1) ... [2019-11-23 23:19:14,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:19:14,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:19:14,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:19:14,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:19:14,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (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 23:19:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:19:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:19:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:19:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:19:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:19:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:19:15,387 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:19:15,388 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-23 23:19:15,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:15 BoogieIcfgContainer [2019-11-23 23:19:15,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:19:15,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:19:15,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:19:15,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:19:15,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:19:14" (1/3) ... [2019-11-23 23:19:15,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288b3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:15, skipping insertion in model container [2019-11-23 23:19:15,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:14" (2/3) ... [2019-11-23 23:19:15,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288b3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:15, skipping insertion in model container [2019-11-23 23:19:15,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:15" (3/3) ... [2019-11-23 23:19:15,398 INFO L109 eAbstractionObserver]: Analyzing ICFG copy-3-n-u.c [2019-11-23 23:19:15,406 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:19:15,412 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:19:15,423 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:19:15,442 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:19:15,442 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:19:15,442 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:19:15,443 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:19:15,443 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:19:15,443 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:19:15,443 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:19:15,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:19:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-23 23:19:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 23:19:15,462 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:15,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:15,463 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:15,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:15,469 INFO L82 PathProgramCache]: Analyzing trace with hash -303498607, now seen corresponding path program 1 times [2019-11-23 23:19:15,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:15,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32795473] [2019-11-23 23:19:15,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:15,545 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:15,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1252870561] [2019-11-23 23:19:15,546 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 23:19:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:15,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:19:15,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:15,696 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 23:19:15,696 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:15,706 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 23:19:15,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32795473] [2019-11-23 23:19:15,707 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:15,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252870561] [2019-11-23 23:19:15,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:19:15,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-23 23:19:15,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503656887] [2019-11-23 23:19:15,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:19:15,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:19:15,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:19:15,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:19:15,732 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-11-23 23:19:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:19:15,825 INFO L93 Difference]: Finished difference Result 30 states and 49 transitions. [2019-11-23 23:19:15,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:19:15,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-23 23:19:15,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:19:15,842 INFO L225 Difference]: With dead ends: 30 [2019-11-23 23:19:15,843 INFO L226 Difference]: Without dead ends: 18 [2019-11-23 23:19:15,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:19:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-23 23:19:15,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-23 23:19:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 23:19:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2019-11-23 23:19:15,895 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 28 transitions. Word has length 8 [2019-11-23 23:19:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:19:15,896 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 28 transitions. [2019-11-23 23:19:15,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:19:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2019-11-23 23:19:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 23:19:15,897 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:15,897 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:16,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:16,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1258050757, now seen corresponding path program 1 times [2019-11-23 23:19:16,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:16,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790125480] [2019-11-23 23:19:16,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:16,108 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:16,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841273660] [2019-11-23 23:19:16,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:16,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:19:16,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:19:16,188 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:19:16,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790125480] [2019-11-23 23:19:16,213 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:16,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841273660] [2019-11-23 23:19:16,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:19:16,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:19:16,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604447871] [2019-11-23 23:19:16,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:19:16,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:19:16,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:19:16,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:19:16,218 INFO L87 Difference]: Start difference. First operand 18 states and 28 transitions. Second operand 6 states. [2019-11-23 23:19:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:19:16,356 INFO L93 Difference]: Finished difference Result 50 states and 81 transitions. [2019-11-23 23:19:16,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:19:16,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-23 23:19:16,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:19:16,358 INFO L225 Difference]: With dead ends: 50 [2019-11-23 23:19:16,358 INFO L226 Difference]: Without dead ends: 36 [2019-11-23 23:19:16,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-23 23:19:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-23 23:19:16,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-11-23 23:19:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-23 23:19:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2019-11-23 23:19:16,372 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 12 [2019-11-23 23:19:16,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:19:16,372 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2019-11-23 23:19:16,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:19:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2019-11-23 23:19:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-23 23:19:16,373 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:16,374 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:16,583 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:16,584 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:16,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:16,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1465649811, now seen corresponding path program 1 times [2019-11-23 23:19:16,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:16,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962566630] [2019-11-23 23:19:16,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:16,591 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:16,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292199345] [2019-11-23 23:19:16,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:16,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:19:16,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-23 23:19:16,681 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-23 23:19:16,705 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962566630] [2019-11-23 23:19:16,705 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:16,705 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292199345] [2019-11-23 23:19:16,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:19:16,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:19:16,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454636446] [2019-11-23 23:19:16,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:19:16,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:19:16,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:19:16,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:19:16,707 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. Second operand 6 states. [2019-11-23 23:19:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:19:16,831 INFO L93 Difference]: Finished difference Result 84 states and 131 transitions. [2019-11-23 23:19:16,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:19:16,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-23 23:19:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:19:16,832 INFO L225 Difference]: With dead ends: 84 [2019-11-23 23:19:16,833 INFO L226 Difference]: Without dead ends: 56 [2019-11-23 23:19:16,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-23 23:19:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-23 23:19:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-23 23:19:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-23 23:19:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2019-11-23 23:19:16,846 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 20 [2019-11-23 23:19:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:19:16,846 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2019-11-23 23:19:16,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:19:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-23 23:19:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-23 23:19:16,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:16,848 INFO L410 BasicCegarLoop]: trace histogram [8, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:17,052 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:17,052 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:17,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:17,053 INFO L82 PathProgramCache]: Analyzing trace with hash -452606317, now seen corresponding path program 1 times [2019-11-23 23:19:17,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:17,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484919445] [2019-11-23 23:19:17,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:17,060 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:17,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854069724] [2019-11-23 23:19:17,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:17,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-23 23:19:17,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-23 23:19:17,152 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-23 23:19:17,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484919445] [2019-11-23 23:19:17,198 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:17,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854069724] [2019-11-23 23:19:17,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1481449500] [2019-11-23 23:19:17,226 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-11-23 23:19:17,227 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:19:17,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:19:17,243 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:19:17,244 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:19:18,748 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2019-11-23 23:19:18,927 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 146 [2019-11-23 23:19:19,406 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-23 23:19:19,565 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 161 [2019-11-23 23:19:19,722 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 161 [2019-11-23 23:19:19,906 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-23 23:19:20,042 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-23 23:19:20,677 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-23 23:19:20,870 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-23 23:19:21,055 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-23 23:19:21,294 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-23 23:19:22,430 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-23 23:19:23,228 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2019-11-23 23:19:23,356 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 196 [2019-11-23 23:19:24,419 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2019-11-23 23:19:24,578 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2019-11-23 23:19:24,718 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-11-23 23:19:24,827 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2019-11-23 23:19:26,408 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2019-11-23 23:19:27,739 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-11-23 23:19:29,028 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 216 [2019-11-23 23:19:29,164 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-11-23 23:19:29,304 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2019-11-23 23:19:33,751 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2019-11-23 23:19:35,172 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2019-11-23 23:19:35,322 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2019-11-23 23:19:36,847 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2019-11-23 23:19:37,093 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2019-11-23 23:19:40,284 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 254 [2019-11-23 23:19:40,412 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2019-11-23 23:19:42,226 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 255 [2019-11-23 23:19:43,926 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 258 [2019-11-23 23:19:45,536 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2019-11-23 23:19:47,058 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 266 [2019-11-23 23:19:47,202 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2019-11-23 23:19:47,421 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 265 [2019-11-23 23:19:49,180 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 283 [2019-11-23 23:19:49,325 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 283 [2019-11-23 23:19:51,254 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-11-23 23:19:51,402 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 287 [2019-11-23 23:19:51,547 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2019-11-23 23:19:51,695 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2019-11-23 23:19:51,944 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 292 [2019-11-23 23:19:53,887 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-11-23 23:19:54,045 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 294 [2019-11-23 23:19:54,197 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-11-23 23:19:54,317 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 296 [2019-11-23 23:19:56,429 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-11-23 23:19:56,564 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2019-11-23 23:19:58,732 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-11-23 23:19:58,883 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2019-11-23 23:20:00,984 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 313 [2019-11-23 23:20:01,169 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 308 [2019-11-23 23:20:01,325 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-11-23 23:20:01,466 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 309 [2019-11-23 23:20:01,639 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2019-11-23 23:20:01,797 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2019-11-23 23:20:01,981 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-11-23 23:20:02,151 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 315 [2019-11-23 23:20:02,352 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2019-11-23 23:20:02,509 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2019-11-23 23:20:02,684 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2019-11-23 23:20:02,850 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2019-11-23 23:20:03,020 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:20:03,188 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2019-11-23 23:20:05,789 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-23 23:20:05,981 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 328 [2019-11-23 23:20:08,563 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2019-11-23 23:20:08,732 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 332 [2019-11-23 23:20:11,640 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-11-23 23:20:11,814 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 336 [2019-11-23 23:20:14,630 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-23 23:20:14,814 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 341 [2019-11-23 23:20:17,526 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2019-11-23 23:20:17,714 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 346 [2019-11-23 23:20:20,237 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 352 [2019-11-23 23:20:20,431 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 349 [2019-11-23 23:20:23,061 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 352 [2019-11-23 23:20:23,262 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 347 [2019-11-23 23:20:23,434 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2019-11-23 23:20:23,601 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2019-11-23 23:20:26,288 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-11-23 23:20:26,448 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 352 [2019-11-23 23:20:29,397 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-23 23:20:29,627 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 355 [2019-11-23 23:20:32,539 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-11-23 23:20:32,711 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 358 [2019-11-23 23:20:35,555 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 366 [2019-11-23 23:20:35,744 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 362 [2019-11-23 23:20:38,723 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2019-11-23 23:20:38,909 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 366 [2019-11-23 23:20:42,011 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:20:42,208 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 369 [2019-11-23 23:20:45,245 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2019-11-23 23:20:45,451 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 372 [2019-11-23 23:20:48,461 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 375 [2019-11-23 23:20:48,738 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 375