/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/loop-acceleration/nested_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:14:41,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:14:41,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:14:41,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:14:41,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:14:41,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:14:41,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:14:41,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:14:41,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:14:41,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:14:41,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:14:41,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:14:41,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:14:41,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:14:41,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:14:41,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:14:41,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:14:41,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:14:41,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:14:41,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:14:41,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:14:41,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:14:41,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:14:41,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:14:41,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:14:41,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:14:41,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:14:41,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:14:41,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:14:41,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:14:41,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:14:41,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:14:41,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:14:41,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:14:41,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:14:41,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:14:41,933 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 04:14:41,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:14:41,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:14:41,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:14:41,949 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:14:41,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:14:41,950 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:14:41,951 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:14:41,951 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:14:41,951 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:14:41,951 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:14:41,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:14:41,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:14:41,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:14:41,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:14:41,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:14:41,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:14:41,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:14:41,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:14:41,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:14:41,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:14:41,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:14:41,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:14:41,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:14:41,955 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:14:41,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:14:41,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:14:41,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:14:41,956 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:14:42,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:14:42,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:14:42,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:14:42,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:14:42,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:14:42,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-11-24 04:14:42,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6251ab28/2d7fe6e0c2e5420b9195c72f95d19705/FLAGc07445dfd [2019-11-24 04:14:42,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:14:42,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-11-24 04:14:42,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6251ab28/2d7fe6e0c2e5420b9195c72f95d19705/FLAGc07445dfd [2019-11-24 04:14:42,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6251ab28/2d7fe6e0c2e5420b9195c72f95d19705 [2019-11-24 04:14:42,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:14:42,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:14:42,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:14:42,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:14:42,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:14:42,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:42" (1/1) ... [2019-11-24 04:14:42,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b864978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:42, skipping insertion in model container [2019-11-24 04:14:42,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:14:42" (1/1) ... [2019-11-24 04:14:42,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:14:42,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:14:43,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:14:43,088 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:14:43,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:14:43,131 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:14:43,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43 WrapperNode [2019-11-24 04:14:43,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:14:43,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:14:43,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:14:43,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:14:43,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:14:43,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:14:43,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:14:43,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:14:43,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (1/1) ... [2019-11-24 04:14:43,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:14:43,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:14:43,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:14:43,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:14:43,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (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 04:14:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:14:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:14:43,599 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:14:43,599 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 04:14:43,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:43 BoogieIcfgContainer [2019-11-24 04:14:43,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:14:43,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:14:43,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:14:43,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:14:43,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:14:42" (1/3) ... [2019-11-24 04:14:43,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555ec09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:14:43, skipping insertion in model container [2019-11-24 04:14:43,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:14:43" (2/3) ... [2019-11-24 04:14:43,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555ec09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:14:43, skipping insertion in model container [2019-11-24 04:14:43,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:14:43" (3/3) ... [2019-11-24 04:14:43,609 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_1-1.c [2019-11-24 04:14:43,618 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:14:43,624 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:14:43,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:14:43,657 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:14:43,657 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:14:43,657 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:14:43,657 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:14:43,657 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:14:43,657 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:14:43,657 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:14:43,657 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:14:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-24 04:14:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:14:43,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:14:43,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:14:43,674 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:14:43,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:14:43,679 INFO L82 PathProgramCache]: Analyzing trace with hash 997519, now seen corresponding path program 1 times [2019-11-24 04:14:43,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:14:43,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498061338] [2019-11-24 04:14:43,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:14:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:14:43,873 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 04:14:43,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498061338] [2019-11-24 04:14:43,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:14:43,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:14:43,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819845716] [2019-11-24 04:14:43,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:14:43,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:14:43,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:14:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:14:43,909 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-11-24 04:14:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:14:43,957 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-24 04:14:43,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:14:43,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 04:14:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:14:43,970 INFO L225 Difference]: With dead ends: 15 [2019-11-24 04:14:43,971 INFO L226 Difference]: Without dead ends: 8 [2019-11-24 04:14:43,974 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 04:14:43,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-24 04:14:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-24 04:14:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-24 04:14:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-11-24 04:14:44,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2019-11-24 04:14:44,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:14:44,007 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-24 04:14:44,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:14:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-24 04:14:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 04:14:44,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:14:44,008 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 04:14:44,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:14:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:14:44,009 INFO L82 PathProgramCache]: Analyzing trace with hash 926693262, now seen corresponding path program 1 times [2019-11-24 04:14:44,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:14:44,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186569313] [2019-11-24 04:14:44,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:14:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:14:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:14:44,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186569313] [2019-11-24 04:14:44,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:14:44,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:14:44,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324533567] [2019-11-24 04:14:44,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:14:44,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:14:44,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:14:44,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:14:44,088 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 3 states. [2019-11-24 04:14:44,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:14:44,112 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-11-24 04:14:44,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:14:44,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-24 04:14:44,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:14:44,114 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:14:44,114 INFO L226 Difference]: Without dead ends: 8 [2019-11-24 04:14:44,115 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:14:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-24 04:14:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-24 04:14:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-24 04:14:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-24 04:14:44,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-11-24 04:14:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:14:44,119 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-24 04:14:44,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:14:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-24 04:14:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:14:44,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:14:44,120 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:14:44,120 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:14:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:14:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1359489651, now seen corresponding path program 1 times [2019-11-24 04:14:44,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:14:44,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121672759] [2019-11-24 04:14:44,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:14:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:14:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:14:44,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121672759] [2019-11-24 04:14:44,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154122484] [2019-11-24 04:14:44,218 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 04:14:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:14:44,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-24 04:14:44,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:14:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:14:44,307 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:14:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:14:44,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1265370554] [2019-11-24 04:14:44,371 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-24 04:14:44,371 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:14:44,378 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:14:44,386 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:14:44,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:14:46,316 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2019-11-24 04:14:47,651 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-11-24 04:14:47,822 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2019-11-24 04:14:48,012 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-11-24 04:14:48,245 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2019-11-24 04:14:48,526 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2019-11-24 04:14:48,700 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2019-11-24 04:14:49,570 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2019-11-24 04:14:49,700 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2019-11-24 04:14:49,981 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2019-11-24 04:14:50,149 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 306 [2019-11-24 04:14:50,987 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-24 04:14:51,124 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2019-11-24 04:14:51,277 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-11-24 04:14:51,549 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-11-24 04:14:51,711 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 308 [2019-11-24 04:14:52,474 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-11-24 04:14:52,798 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2019-11-24 04:14:53,331 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-24 04:14:53,482 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 174 [2019-11-24 04:14:53,671 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-11-24 04:14:53,915 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2019-11-24 04:14:54,212 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-24 04:14:54,404 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 206 [2019-11-24 04:14:54,602 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2019-11-24 04:14:54,802 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 251 [2019-11-24 04:14:55,085 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-24 04:14:55,395 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 381 [2019-11-24 04:14:56,246 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-11-24 04:14:56,398 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 382 [2019-11-24 04:14:56,825 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-11-24 04:14:57,020 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 418 [2019-11-24 04:14:57,495 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-11-24 04:14:57,661 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 459 [2019-11-24 04:14:58,171 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-11-24 04:14:58,363 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 510 [2019-11-24 04:14:58,817 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-11-24 04:14:59,026 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2019-11-24 04:14:59,494 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-11-24 04:14:59,732 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 572 [2019-11-24 04:15:00,198 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 589 [2019-11-24 04:15:00,433 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 589 [2019-11-24 04:15:01,147 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-11-24 04:15:01,431 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 638 [2019-11-24 04:15:02,015 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-11-24 04:15:02,335 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2019-11-24 04:15:03,046 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-11-24 04:15:03,446 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 687 [2019-11-24 04:15:04,087 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2019-11-24 04:15:04,461 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 710 [2019-11-24 04:15:05,133 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 735 [2019-11-24 04:15:05,604 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 733 [2019-11-24 04:15:06,250 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 718 [2019-11-24 04:15:06,638 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 718 [2019-11-24 04:15:07,269 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-11-24 04:15:07,659 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 728 [2019-11-24 04:15:08,377 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 757 [2019-11-24 04:15:08,820 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 757 [2019-11-24 04:15:09,537 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 760 [2019-11-24 04:15:09,977 WARN L192 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 760 [2019-11-24 04:15:10,714 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-11-24 04:15:11,161 WARN L192 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 764 [2019-11-24 04:15:12,047 WARN L192 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 814 [2019-11-24 04:15:12,575 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 814 [2019-11-24 04:15:13,425 WARN L192 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 835 [2019-11-24 04:15:13,994 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 835 [2019-11-24 04:15:15,043 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 838 [2019-11-24 04:15:15,630 WARN L192 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 839 DAG size of output: 838 [2019-11-24 04:15:16,481 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 841 [2019-11-24 04:15:17,067 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 841 [2019-11-24 04:15:18,141 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-11-24 04:15:18,742 WARN L192 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 844 [2019-11-24 04:15:19,772 WARN L192 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 888 [2019-11-24 04:15:20,404 WARN L192 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 888 [2019-11-24 04:15:21,460 WARN L192 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 906 [2019-11-24 04:15:22,170 WARN L192 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 906 [2019-11-24 04:15:23,202 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 914 [2019-11-24 04:15:23,924 WARN L192 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 914 [2019-11-24 04:15:24,964 WARN L192 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 920 [2019-11-24 04:15:25,705 WARN L192 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 920 [2019-11-24 04:15:26,761 WARN L192 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 928 [2019-11-24 04:15:27,518 WARN L192 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 928 [2019-11-24 04:15:28,647 WARN L192 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-11-24 04:15:29,463 WARN L192 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 971 [2019-11-24 04:15:30,670 WARN L192 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 999 [2019-11-24 04:15:31,651 WARN L192 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 997 [2019-11-24 04:15:33,129 WARN L192 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-11-24 04:15:34,021 WARN L192 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 991 [2019-11-24 04:15:35,237 WARN L192 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-11-24 04:15:36,099 WARN L192 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 1018 [2019-11-24 04:15:37,498 WARN L192 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-11-24 04:15:38,482 WARN L192 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1078 [2019-11-24 04:15:39,844 WARN L192 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1081 [2019-11-24 04:15:40,860 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1082 DAG size of output: 1081 [2019-11-24 04:15:42,443 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1084 [2019-11-24 04:15:43,471 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1084 [2019-11-24 04:15:44,879 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1100 [2019-11-24 04:15:45,921 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1100 [2019-11-24 04:15:47,423 WARN L192 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1113 [2019-11-24 04:15:48,500 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1114 DAG size of output: 1113 [2019-11-24 04:15:49,976 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1130 [2019-11-24 04:15:51,085 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1131 DAG size of output: 1130 [2019-11-24 04:15:52,606 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1133 [2019-11-24 04:15:53,737 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1133 [2019-11-24 04:15:55,335 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1154 [2019-11-24 04:15:56,553 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1155 DAG size of output: 1154 [2019-11-24 04:15:58,448 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 1218 [2019-11-24 04:15:59,786 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1219 [2019-11-24 04:16:01,804 WARN L192 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 1251 [2019-11-24 04:16:03,364 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1252 DAG size of output: 1249 [2019-11-24 04:16:05,465 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-11-24 04:16:06,999 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1311 [2019-11-24 04:16:08,992 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 1320 [2019-11-24 04:16:10,540 WARN L192 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1320 [2019-11-24 04:16:12,705 WARN L192 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-11-24 04:16:14,333 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1356 [2019-11-24 04:16:16,442 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-11-24 04:16:18,071 WARN L192 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1360 DAG size of output: 1359 [2019-11-24 04:16:20,463 WARN L192 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 1362 [2019-11-24 04:16:22,120 WARN L192 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1363 DAG size of output: 1362