/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/reducercommutativity/rangesum60.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:42:34,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:42:34,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:42:34,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:42:34,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:42:34,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:42:34,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:42:34,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:42:34,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:42:34,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:42:34,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:42:34,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:42:34,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:42:34,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:42:34,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:42:34,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:42:34,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:42:34,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:42:34,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:42:34,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:42:34,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:42:34,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:42:34,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:42:34,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:42:34,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:42:34,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:42:34,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:42:34,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:42:34,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:42:34,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:42:34,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:42:34,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:42:34,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:42:34,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:42:34,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:42:34,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:42:34,842 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 [2019-11-24 05:42:34,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:42:34,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:42:34,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:42:34,880 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:42:34,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:42:34,881 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:42:34,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:42:34,881 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:42:34,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:42:34,882 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:42:34,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:42:34,884 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:42:34,884 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:42:34,884 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:42:34,885 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:42:34,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:42:34,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:42:34,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:42:34,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:42:34,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:42:34,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:42:34,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:42:34,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:42:34,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:42:34,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:42:34,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:42:34,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:42:34,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:42:34,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:42:34,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:42:34,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:42:34,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:42:34,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:42:34,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:42:34,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:42:34,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:42:34,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:42:34,891 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:42:35,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:42:35,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:42:35,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:42:35,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:42:35,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:42:35,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-11-24 05:42:35,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dacffbe/ebd52a811d0d4c9b80376136c67fa8bb/FLAG7141fb84c [2019-11-24 05:42:35,774 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:42:35,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum60.i [2019-11-24 05:42:35,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dacffbe/ebd52a811d0d4c9b80376136c67fa8bb/FLAG7141fb84c [2019-11-24 05:42:36,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dacffbe/ebd52a811d0d4c9b80376136c67fa8bb [2019-11-24 05:42:36,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:42:36,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:42:36,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:42:36,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:42:36,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:42:36,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12944173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36, skipping insertion in model container [2019-11-24 05:42:36,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:42:36,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:42:36,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:42:36,401 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:42:36,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:42:36,436 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:42:36,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36 WrapperNode [2019-11-24 05:42:36,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:42:36,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:42:36,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:42:36,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:42:36,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:42:36,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:42:36,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:42:36,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:42:36,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (1/1) ... [2019-11-24 05:42:36,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:42:36,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:42:36,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:42:36,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:42:36,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (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 [2019-11-24 05:42:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 05:42:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:42:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:42:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 05:42:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:42:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 05:42:38,707 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:42:38,708 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-24 05:42:38,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:42:38 BoogieIcfgContainer [2019-11-24 05:42:38,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:42:38,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:42:38,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:42:38,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:42:38,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:42:36" (1/3) ... [2019-11-24 05:42:38,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c73fad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:42:38, skipping insertion in model container [2019-11-24 05:42:38,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:42:36" (2/3) ... [2019-11-24 05:42:38,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c73fad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:42:38, skipping insertion in model container [2019-11-24 05:42:38,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:42:38" (3/3) ... [2019-11-24 05:42:38,718 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum60.i [2019-11-24 05:42:38,727 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:42:38,734 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 05:42:38,743 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 05:42:38,766 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:42:38,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:42:38,766 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:42:38,767 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:42:38,767 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:42:38,767 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:42:38,767 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:42:38,767 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:42:38,778 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-24 05:42:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:42:38,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:42:38,784 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:42:38,785 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:42:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:42:38,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2021687706, now seen corresponding path program 1 times [2019-11-24 05:42:38,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:42:38,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390092368] [2019-11-24 05:42:38,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:42:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:42:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:42:38,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390092368] [2019-11-24 05:42:38,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:42:38,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:42:38,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270406257] [2019-11-24 05:42:38,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:42:38,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:42:38,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:42:38,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:42:38,965 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-24 05:42:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:42:38,991 INFO L93 Difference]: Finished difference Result 21 states and 31 transitions. [2019-11-24 05:42:38,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:42:38,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:42:38,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:42:39,001 INFO L225 Difference]: With dead ends: 21 [2019-11-24 05:42:39,002 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 05:42:39,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:42:39,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 05:42:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 05:42:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 05:42:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2019-11-24 05:42:39,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 14 transitions. Word has length 8 [2019-11-24 05:42:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:42:39,033 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-24 05:42:39,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:42:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-24 05:42:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 05:42:39,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:42:39,034 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:42:39,034 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:42:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:42:39,034 INFO L82 PathProgramCache]: Analyzing trace with hash -560701834, now seen corresponding path program 1 times [2019-11-24 05:42:39,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:42:39,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921051428] [2019-11-24 05:42:39,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:42:39,051 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-24 05:42:39,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342471072] [2019-11-24 05:42:39,052 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 [2019-11-24 05:42:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:42:39,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:42:39,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:42:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:42:39,155 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:42:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:42:39,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921051428] [2019-11-24 05:42:39,169 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 05:42:39,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342471072] [2019-11-24 05:42:39,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:42:39,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-24 05:42:39,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978408177] [2019-11-24 05:42:39,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:42:39,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:42:39,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:42:39,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:42:39,173 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. Second operand 4 states. [2019-11-24 05:42:39,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:42:39,238 INFO L93 Difference]: Finished difference Result 22 states and 34 transitions. [2019-11-24 05:42:39,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:42:39,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 05:42:39,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:42:39,240 INFO L225 Difference]: With dead ends: 22 [2019-11-24 05:42:39,240 INFO L226 Difference]: Without dead ends: 16 [2019-11-24 05:42:39,241 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:42:39,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-24 05:42:39,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-24 05:42:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-24 05:42:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-24 05:42:39,247 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2019-11-24 05:42:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:42:39,247 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-24 05:42:39,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:42:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-24 05:42:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 05:42:39,248 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:42:39,249 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:42:39,460 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:42:39,461 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:42:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:42:39,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1964460554, now seen corresponding path program 1 times [2019-11-24 05:42:39,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:42:39,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321483966] [2019-11-24 05:42:39,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:42:39,507 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-24 05:42:39,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560895640] [2019-11-24 05:42:39,513 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 [2019-11-24 05:42:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:42:39,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:42:39,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:42:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:42:39,612 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:42:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:42:39,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321483966] [2019-11-24 05:42:39,622 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 05:42:39,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560895640] [2019-11-24 05:42:39,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:42:39,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-24 05:42:39,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097747485] [2019-11-24 05:42:39,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:42:39,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:42:39,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:42:39,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:42:39,624 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 4 states. [2019-11-24 05:42:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:42:39,639 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-24 05:42:39,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:42:39,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 05:42:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:42:39,640 INFO L225 Difference]: With dead ends: 24 [2019-11-24 05:42:39,640 INFO L226 Difference]: Without dead ends: 18 [2019-11-24 05:42:39,641 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:42:39,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-24 05:42:39,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-24 05:42:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-24 05:42:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-24 05:42:39,646 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 15 [2019-11-24 05:42:39,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:42:39,646 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-24 05:42:39,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:42:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-24 05:42:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-24 05:42:39,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:42:39,647 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:42:39,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:42:39,851 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:42:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:42:39,851 INFO L82 PathProgramCache]: Analyzing trace with hash -183512330, now seen corresponding path program 1 times [2019-11-24 05:42:39,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:42:39,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612883194] [2019-11-24 05:42:39,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:42:39,872 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-24 05:42:39,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613721640] [2019-11-24 05:42:39,873 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 [2019-11-24 05:42:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:42:39,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-24 05:42:39,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:42:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:42:39,971 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:42:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:42:39,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612883194] [2019-11-24 05:42:39,997 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 05:42:39,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613721640] [2019-11-24 05:42:39,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1977199250] [2019-11-24 05:42:40,052 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:42:40,056 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:42:40,064 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:42:40,070 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:42:40,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:42:41,731 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-11-24 05:42:41,914 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-11-24 05:42:42,022 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 134 [2019-11-24 05:42:42,278 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2019-11-24 05:42:50,199 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 198 [2019-11-24 05:42:51,521 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-11-24 05:42:51,711 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2019-11-24 05:42:53,199 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2019-11-24 05:43:05,026 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2019-11-24 05:43:14,677 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2019-11-24 05:43:16,788 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2019-11-24 05:43:16,917 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-11-24 05:43:19,256 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 279 [2019-11-24 05:43:21,631 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-11-24 05:43:24,108 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-11-24 05:43:24,233 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-24 05:43:26,270 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 297 [2019-11-24 05:43:26,385 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 292 [2019-11-24 05:43:28,481 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2019-11-24 05:43:30,944 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 299 [2019-11-24 05:43:33,294 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 302 [2019-11-24 05:43:38,193 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 310 [2019-11-24 05:43:40,901 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 312 [2019-11-24 05:43:43,388 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 322 [2019-11-24 05:43:43,511 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 318 [2019-11-24 05:43:43,755 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2019-11-24 05:43:46,389 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2019-11-24 05:43:47,159 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-11-24 05:43:47,506 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 309 [2019-11-24 05:43:47,933 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2019-11-24 05:43:48,742 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 544 [2019-11-24 05:43:49,914 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 971 [2019-11-24 05:43:52,008 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 972 DAG size of output: 972 [2019-11-24 05:43:56,303 WARN L192 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 2095 DAG size of output: 2095 [2019-11-24 05:44:04,963 WARN L192 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 2041 DAG size of output: 2037