/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/min-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:22:14,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:22:14,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:22:14,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:22:14,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:22:14,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:22:14,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:22:14,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:22:14,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:22:14,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:22:14,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:22:14,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:22:14,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:22:14,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:22:14,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:22:14,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:22:14,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:22:14,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:22:14,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:22:14,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:22:14,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:22:14,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:22:14,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:22:14,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:22:14,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:22:14,672 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 23:22:14,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:22:14,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:22:14,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:22:14,710 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:22:14,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:22:14,710 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:22:14,711 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:22:14,711 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:22:14,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:22:14,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:22:14,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:22:14,712 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:22:14,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:22:14,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:22:14,712 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:22:14,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:22:14,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:22:14,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:22:14,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:22:14,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:22:14,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:22:14,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:22:14,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:22:14,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:22:14,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:22:14,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:22:14,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:22:14,720 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:22:15,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:22:15,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:22:15,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:22:15,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:22:15,042 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:22:15,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/min-3-n-u.c [2019-11-23 23:22:15,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f42676c/4341e5a15c0e463cbc22b7c889808a61/FLAGeb4448f0c [2019-11-23 23:22:15,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:22:15,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/min-3-n-u.c [2019-11-23 23:22:15,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f42676c/4341e5a15c0e463cbc22b7c889808a61/FLAGeb4448f0c [2019-11-23 23:22:16,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f42676c/4341e5a15c0e463cbc22b7c889808a61 [2019-11-23 23:22:16,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:22:16,033 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:22:16,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:22:16,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:22:16,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:22:16,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7142d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16, skipping insertion in model container [2019-11-23 23:22:16,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:22:16,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:22:16,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:22:16,289 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:22:16,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:22:16,418 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:22:16,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16 WrapperNode [2019-11-23 23:22:16,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:22:16,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:22:16,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:22:16,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:22:16,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:22:16,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:22:16,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:22:16,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:22:16,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (1/1) ... [2019-11-23 23:22:16,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:22:16,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:22:16,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:22:16,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:22:16,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (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 23:22:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:22:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:22:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:22:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:22:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:22:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:22:17,048 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:22:17,049 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-23 23:22:17,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:17 BoogieIcfgContainer [2019-11-23 23:22:17,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:22:17,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:22:17,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:22:17,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:22:17,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:22:16" (1/3) ... [2019-11-23 23:22:17,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d90cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:17, skipping insertion in model container [2019-11-23 23:22:17,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:16" (2/3) ... [2019-11-23 23:22:17,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d90cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:17, skipping insertion in model container [2019-11-23 23:22:17,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:17" (3/3) ... [2019-11-23 23:22:17,058 INFO L109 eAbstractionObserver]: Analyzing ICFG min-3-n-u.c [2019-11-23 23:22:17,068 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:22:17,076 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:22:17,088 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:22:17,113 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:22:17,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:22:17,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:22:17,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:22:17,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:22:17,114 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:22:17,114 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:22:17,114 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:22:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-23 23:22:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 23:22:17,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:17,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:17,138 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:17,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:17,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1164543664, now seen corresponding path program 1 times [2019-11-23 23:22:17,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:17,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083000313] [2019-11-23 23:22:17,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:17,224 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:17,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003839527] [2019-11-23 23:22:17,225 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 23:22:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:17,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:22:17,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:17,350 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 23:22:17,350 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:17,365 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 23:22:17,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083000313] [2019-11-23 23:22:17,367 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:17,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003839527] [2019-11-23 23:22:17,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:22:17,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-23 23:22:17,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064570564] [2019-11-23 23:22:17,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:22:17,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:17,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:22:17,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:22:17,405 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-11-23 23:22:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:17,517 INFO L93 Difference]: Finished difference Result 30 states and 49 transitions. [2019-11-23 23:22:17,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:22:17,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-23 23:22:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:17,537 INFO L225 Difference]: With dead ends: 30 [2019-11-23 23:22:17,537 INFO L226 Difference]: Without dead ends: 18 [2019-11-23 23:22:17,543 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 23:22:17,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-23 23:22:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-23 23:22:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 23:22:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2019-11-23 23:22:17,595 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 28 transitions. Word has length 8 [2019-11-23 23:22:17,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:17,596 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 28 transitions. [2019-11-23 23:22:17,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:22:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2019-11-23 23:22:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 23:22:17,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:17,597 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:17,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:17,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:17,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:17,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1972119230, now seen corresponding path program 1 times [2019-11-23 23:22:17,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:17,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585635366] [2019-11-23 23:22:17,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:17,807 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:17,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628442745] [2019-11-23 23:22:17,808 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 23:22:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:17,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:22:17,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:17,914 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 23:22:17,914 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:17,934 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 23:22:17,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585635366] [2019-11-23 23:22:17,935 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:17,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628442745] [2019-11-23 23:22:17,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:22:17,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:22:17,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41452687] [2019-11-23 23:22:17,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:22:17,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:17,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:22:17,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:22:17,940 INFO L87 Difference]: Start difference. First operand 18 states and 28 transitions. Second operand 6 states. [2019-11-23 23:22:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:18,053 INFO L93 Difference]: Finished difference Result 50 states and 81 transitions. [2019-11-23 23:22:18,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:22:18,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-23 23:22:18,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:18,055 INFO L225 Difference]: With dead ends: 50 [2019-11-23 23:22:18,055 INFO L226 Difference]: Without dead ends: 36 [2019-11-23 23:22:18,056 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 23:22:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-23 23:22:18,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-11-23 23:22:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-23 23:22:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2019-11-23 23:22:18,080 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 12 [2019-11-23 23:22:18,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:18,082 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2019-11-23 23:22:18,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:22:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2019-11-23 23:22:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-23 23:22:18,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:18,085 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:18,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:18,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:18,291 INFO L82 PathProgramCache]: Analyzing trace with hash -11036110, now seen corresponding path program 1 times [2019-11-23 23:22:18,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:18,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660597322] [2019-11-23 23:22:18,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:18,296 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:18,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003932221] [2019-11-23 23:22:18,297 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 23:22:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:18,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:22:18,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:18,371 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 23:22:18,372 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:18,401 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 23:22:18,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660597322] [2019-11-23 23:22:18,402 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:18,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003932221] [2019-11-23 23:22:18,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:22:18,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:22:18,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66094513] [2019-11-23 23:22:18,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:22:18,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:18,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:22:18,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:22:18,405 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. Second operand 6 states. [2019-11-23 23:22:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:18,526 INFO L93 Difference]: Finished difference Result 84 states and 131 transitions. [2019-11-23 23:22:18,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:22:18,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-23 23:22:18,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:18,528 INFO L225 Difference]: With dead ends: 84 [2019-11-23 23:22:18,528 INFO L226 Difference]: Without dead ends: 56 [2019-11-23 23:22:18,528 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 23:22:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-23 23:22:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-23 23:22:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-23 23:22:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2019-11-23 23:22:18,541 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 20 [2019-11-23 23:22:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:18,541 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2019-11-23 23:22:18,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:22:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-23 23:22:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-23 23:22:18,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:18,543 INFO L410 BasicCegarLoop]: trace histogram [8, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:18,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:18,747 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:18,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:18,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1546112590, now seen corresponding path program 1 times [2019-11-23 23:22:18,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:18,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084161826] [2019-11-23 23:22:18,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:18,754 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:18,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942989509] [2019-11-23 23:22:18,758 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 23:22:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:18,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-23 23:22:18,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:18,865 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 23:22:18,865 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:18,907 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 23:22:18,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084161826] [2019-11-23 23:22:18,907 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:18,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942989509] [2019-11-23 23:22:18,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1543690849] [2019-11-23 23:22:18,938 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-11-23 23:22:18,938 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:22:18,944 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:22:18,951 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:22:18,952 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:22:20,317 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2019-11-23 23:22:20,971 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2019-11-23 23:22:21,110 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2019-11-23 23:22:24,570 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-23 23:22:28,714 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 182 [2019-11-23 23:22:28,874 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-23 23:22:29,007 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-11-23 23:22:31,709 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2019-11-23 23:22:54,521 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2019-11-23 23:23:00,012 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2019-11-23 23:23:01,893 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2019-11-23 23:23:07,720 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 285 [2019-11-23 23:23:10,123 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 284 [2019-11-23 23:23:10,348 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 286 [2019-11-23 23:23:10,785 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 290 [2019-11-23 23:23:15,478 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 299 [2019-11-23 23:23:15,694 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2019-11-23 23:23:18,013 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2019-11-23 23:23:20,638 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-11-23 23:23:23,127 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-11-23 23:23:23,235 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 315 [2019-11-23 23:23:25,723 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-23 23:23:25,853 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 316 [2019-11-23 23:23:26,073 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 317 [2019-11-23 23:23:28,445 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 322 [2019-11-23 23:23:28,565 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 321 [2019-11-23 23:23:31,021 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 328 [2019-11-23 23:23:31,141 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 325 [2019-11-23 23:23:33,736 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-23 23:23:33,869 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 327 [2019-11-23 23:23:33,998 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2019-11-23 23:23:34,105 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2019-11-23 23:23:36,554 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 338 [2019-11-23 23:23:36,681 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2019-11-23 23:23:39,630 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2019-11-23 23:23:39,792 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 336 [2019-11-23 23:23:42,478 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-11-23 23:23:42,604 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 339 [2019-11-23 23:23:45,806 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 343 [2019-11-23 23:23:45,948 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 342 [2019-11-23 23:23:46,088 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2019-11-23 23:23:46,221 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 346