/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-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:16:29,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:16:29,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:16:29,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:16:29,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:16:29,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:16:29,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:16:29,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:16:29,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:16:29,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:16:29,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:16:29,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-24 04:16:29,116 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 04:16:29,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:16:29,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:16:29,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:16:29,146 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:16:29,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:16:29,147 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:16:29,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:16:29,147 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:16:29,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:16:29,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:16:29,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:16:29,149 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:16:29,149 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:16:29,149 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:16:29,149 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:16:29,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:16:29,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:16:29,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:16:29,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:16:29,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:16:29,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:16:29,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:16:29,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:16:29,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:16:29,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:16:29,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:16:29,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:16:29,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:16:29,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:16:29,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:16:29,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:16:29,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:16:29,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:16:29,155 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:16:29,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:16:29,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:16:29,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:16:29,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:16:29,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:16:29,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:16:29,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:16:29,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:16:29,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:16:29,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-11-24 04:16:29,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0ff0410/6dd9992afd774cd7a5fe1fff225cf39c/FLAGd81a7d64d [2019-11-24 04:16:29,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:16:29,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-11-24 04:16:29,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0ff0410/6dd9992afd774cd7a5fe1fff225cf39c/FLAGd81a7d64d [2019-11-24 04:16:30,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0ff0410/6dd9992afd774cd7a5fe1fff225cf39c [2019-11-24 04:16:30,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:16:30,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:16:30,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:16:30,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:16:30,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:16:30,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a425a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30, skipping insertion in model container [2019-11-24 04:16:30,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:16:30,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:16:30,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:16:30,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:16:30,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:16:30,574 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:16:30,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30 WrapperNode [2019-11-24 04:16:30,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:16:30,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:16:30,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:16:30,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:16:30,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:16:30,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:16:30,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:16:30,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:16:30,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (1/1) ... [2019-11-24 04:16:30,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:16:30,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:16:30,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:16:30,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:16:30,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (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 04:16:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:16:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:16:30,918 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:16:30,918 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:16:30,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:30 BoogieIcfgContainer [2019-11-24 04:16:30,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:16:30,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:16:30,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:16:30,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:16:30,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:16:30" (1/3) ... [2019-11-24 04:16:30,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b546437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:16:30, skipping insertion in model container [2019-11-24 04:16:30,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:30" (2/3) ... [2019-11-24 04:16:30,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b546437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:16:30, skipping insertion in model container [2019-11-24 04:16:30,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:30" (3/3) ... [2019-11-24 04:16:30,928 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2019-11-24 04:16:30,935 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:16:30,940 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:16:30,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:16:30,972 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:16:30,972 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:16:30,972 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:16:30,972 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:16:30,973 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:16:30,973 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:16:30,973 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:16:30,973 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:16:30,983 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-24 04:16:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:16:30,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:16:30,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:16:30,988 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:16:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:16:30,994 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-24 04:16:31,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:16:31,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119448735] [2019-11-24 04:16:31,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:16:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:16:31,309 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 04:16:31,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119448735] [2019-11-24 04:16:31,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:16:31,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:16:31,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206802316] [2019-11-24 04:16:31,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:16:31,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:16:31,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:16:31,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:16:31,361 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-11-24 04:16:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:16:31,486 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2019-11-24 04:16:31,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:16:31,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-24 04:16:31,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:16:31,500 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:16:31,500 INFO L226 Difference]: Without dead ends: 7 [2019-11-24 04:16:31,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:16:31,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-24 04:16:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-24 04:16:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-24 04:16:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-24 04:16:31,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-11-24 04:16:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:16:31,552 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-24 04:16:31,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:16:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-24 04:16:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 04:16:31,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:16:31,554 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-11-24 04:16:31,555 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:16:31,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:16:31,555 INFO L82 PathProgramCache]: Analyzing trace with hash 925914308, now seen corresponding path program 1 times [2019-11-24 04:16:31,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:16:31,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912141226] [2019-11-24 04:16:31,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:16:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:16:38,294 WARN L192 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2019-11-24 04:16:38,307 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 04:16:38,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912141226] [2019-11-24 04:16:38,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141194655] [2019-11-24 04:16:38,310 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 04:16:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:16:38,343 WARN L253 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-24 04:16:38,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:16:38,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:16:38,476 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 04:16:38,477 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:16:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:16:45,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2062333293] [2019-11-24 04:16:45,291 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 04:16:45,291 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:16:45,298 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:16:45,309 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:16:45,310 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:16:46,232 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 266 [2019-11-24 04:16:46,377 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2019-11-24 04:16:46,683 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 271 [2019-11-24 04:16:47,523 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 290 [2019-11-24 04:16:49,443 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-11-24 04:16:49,638 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 337 [2019-11-24 04:16:49,880 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-11-24 04:16:50,063 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 343 [2019-11-24 04:16:50,280 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-24 04:16:50,407 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 349 [2019-11-24 04:16:50,663 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 355 [2019-11-24 04:16:50,937 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 362 [2019-11-24 04:16:51,116 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2019-11-24 04:16:51,219 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2019-11-24 04:16:51,480 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 374 [2019-11-24 04:16:51,971 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2019-11-24 04:16:52,214 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 391 [2019-11-24 04:16:52,416 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2019-11-24 04:16:52,530 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 398 [2019-11-24 04:16:52,700 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-11-24 04:16:52,819 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 403 [2019-11-24 04:16:53,304 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 416 [2019-11-24 04:16:53,797 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 427 [2019-11-24 04:16:54,660 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 452 [2019-11-24 04:16:54,851 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-11-24 04:16:54,981 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 457 [2019-11-24 04:16:55,154 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-11-24 04:16:55,399 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-11-24 04:16:55,643 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2019-11-24 04:16:56,391 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 493 [2019-11-24 04:16:56,678 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 499 [2019-11-24 04:16:57,154 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 511 [2019-11-24 04:16:57,401 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-11-24 04:16:57,790 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-11-24 04:16:57,895 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 529 [2019-11-24 04:16:58,382 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 542 [2019-11-24 04:16:58,619 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 547 [2019-11-24 04:16:58,870 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 554 [2019-11-24 04:16:59,142 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 560 [2019-11-24 04:16:59,374 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-11-24 04:16:59,484 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2019-11-24 04:16:59,642 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-11-24 04:16:59,755 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 571 [2019-11-24 04:16:59,930 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-11-24 04:17:00,045 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 578 [2019-11-24 04:17:00,195 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-11-24 04:17:00,317 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 583 [2019-11-24 04:17:00,471 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-11-24 04:17:00,608 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 590 [2019-11-24 04:17:00,808 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-11-24 04:17:00,934 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 596 [2019-11-24 04:17:01,098 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-11-24 04:17:01,216 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 601 [2019-11-24 04:17:01,396 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 607 [2019-11-24 04:17:01,518 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 607 [2019-11-24 04:17:01,695 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-11-24 04:17:01,822 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 614 [2019-11-24 04:17:02,028 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-11-24 04:17:02,184 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 619 [2019-11-24 04:17:02,351 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-11-24 04:17:02,477 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 626 [2019-11-24 04:17:02,654 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-24 04:17:02,792 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 632 [2019-11-24 04:17:02,998 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2019-11-24 04:17:03,135 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 637 [2019-11-24 04:17:03,323 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-11-24 04:17:03,463 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 643 [2019-11-24 04:17:03,647 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-11-24 04:17:03,817 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 650 [2019-11-24 04:17:03,999 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-11-24 04:17:04,142 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 655 [2019-11-24 04:17:04,326 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-11-24 04:17:04,476 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 662 [2019-11-24 04:17:04,661 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-11-24 04:17:04,812 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 668 [2019-11-24 04:17:04,999 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2019-11-24 04:17:05,150 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2019-11-24 04:17:05,338 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-11-24 04:17:05,504 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 679 [2019-11-24 04:17:05,703 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-11-24 04:17:05,854 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 686 [2019-11-24 04:17:06,053 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 691 [2019-11-24 04:17:06,205 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 691 [2019-11-24 04:17:06,412 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 698 [2019-11-24 04:17:06,577 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 698 [2019-11-24 04:17:06,778 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-11-24 04:17:06,937 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 704 [2019-11-24 04:17:07,165 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2019-11-24 04:17:07,328 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 709 [2019-11-24 04:17:07,533 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 715 [2019-11-24 04:17:07,689 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 715 [2019-11-24 04:17:07,919 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-11-24 04:17:08,101 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 722 [2019-11-24 04:17:08,316 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-11-24 04:17:08,478 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 727 [2019-11-24 04:17:08,693 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 734 [2019-11-24 04:17:08,858 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 734 [2019-11-24 04:17:09,083 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-11-24 04:17:09,254 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 740 [2019-11-24 04:17:09,467 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-11-24 04:17:09,641 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 745 [2019-11-24 04:17:09,880 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-11-24 04:17:10,056 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 751 [2019-11-24 04:17:10,283 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 758 [2019-11-24 04:17:10,465 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 758 [2019-11-24 04:17:10,685 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 763 [2019-11-24 04:17:10,880 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 763 [2019-11-24 04:17:11,111 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 770 [2019-11-24 04:17:11,302 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 770 [2019-11-24 04:17:11,543 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 776 [2019-11-24 04:17:11,745 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 776 [2019-11-24 04:17:11,983 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 781 [2019-11-24 04:17:12,168 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 781 [2019-11-24 04:17:12,411 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 787 [2019-11-24 04:17:12,600 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 787 [2019-11-24 04:17:12,860 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 794 [2019-11-24 04:17:13,056 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 794 [2019-11-24 04:17:13,304 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 799 [2019-11-24 04:17:13,506 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 799 [2019-11-24 04:17:13,757 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 806 [2019-11-24 04:17:13,959 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 807 DAG size of output: 806 [2019-11-24 04:17:14,202 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 812 [2019-11-24 04:17:14,402 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 812 [2019-11-24 04:17:14,682 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 817 [2019-11-24 04:17:14,891 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 817 [2019-11-24 04:17:15,145 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 823 [2019-11-24 04:17:15,343 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 823 [2019-11-24 04:17:15,654 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 830 [2019-11-24 04:17:15,868 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 830 [2019-11-24 04:17:16,121 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 835 [2019-11-24 04:17:16,322 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 835 [2019-11-24 04:17:16,580 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 842 [2019-11-24 04:17:16,811 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 842 [2019-11-24 04:17:17,086 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 848 [2019-11-24 04:17:17,310 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 848 [2019-11-24 04:17:17,582 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 853 [2019-11-24 04:17:17,793 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 853 [2019-11-24 04:17:18,076 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 859 [2019-11-24 04:17:18,298 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 859 [2019-11-24 04:17:18,589 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 866 [2019-11-24 04:17:18,819 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 866 [2019-11-24 04:17:19,121 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 871 [2019-11-24 04:17:19,349 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 871 [2019-11-24 04:17:19,629 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 878 [2019-11-24 04:17:19,861 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 878 [2019-11-24 04:17:20,158 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 884 [2019-11-24 04:17:20,389 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 884 [2019-11-24 04:17:20,680 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 889 [2019-11-24 04:17:20,907 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 889 [2019-11-24 04:17:21,220 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 895 [2019-11-24 04:17:21,457 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 895 [2019-11-24 04:17:21,754 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 902 [2019-11-24 04:17:21,988 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 902 [2019-11-24 04:17:22,312 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 907 [2019-11-24 04:17:22,563 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 907 [2019-11-24 04:17:22,873 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 914 [2019-11-24 04:17:23,127 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 914 [2019-11-24 04:17:23,452 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 920 [2019-11-24 04:17:23,724 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 920 [2019-11-24 04:17:24,029 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 925 [2019-11-24 04:17:24,277 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 925 [2019-11-24 04:17:24,626 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 931 [2019-11-24 04:17:24,887 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 931 [2019-11-24 04:17:25,224 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 938 [2019-11-24 04:17:25,479 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 938 [2019-11-24 04:17:25,804 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 943 [2019-11-24 04:17:26,089 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 943 [2019-11-24 04:17:26,411 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 950 [2019-11-24 04:17:26,675 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 950 [2019-11-24 04:17:27,016 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 956 [2019-11-24 04:17:27,297 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 956 [2019-11-24 04:17:27,628 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 961 [2019-11-24 04:17:27,903 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 961 [2019-11-24 04:17:28,233 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 967 [2019-11-24 04:17:28,540 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 967 [2019-11-24 04:17:28,873 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 974 [2019-11-24 04:17:29,145 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 974 [2019-11-24 04:17:29,489 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2019-11-24 04:17:29,779 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 979 [2019-11-24 04:17:30,125 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 986 [2019-11-24 04:17:30,396 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 986 [2019-11-24 04:17:30,747 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 992 [2019-11-24 04:17:31,033 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 993 DAG size of output: 992 [2019-11-24 04:17:31,416 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 997 [2019-11-24 04:17:31,707 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 997 [2019-11-24 04:17:32,088 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-11-24 04:17:32,380 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1003 [2019-11-24 04:17:32,757 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2019-11-24 04:17:33,043 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 1010 [2019-11-24 04:17:33,403 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 1015 [2019-11-24 04:17:33,705 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 1015 [2019-11-24 04:17:34,104 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-11-24 04:17:34,406 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1022 [2019-11-24 04:17:34,848 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-11-24 04:17:35,146 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1029 DAG size of output: 1028 [2019-11-24 04:17:35,555 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-11-24 04:17:35,867 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1033 [2019-11-24 04:17:36,260 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-11-24 04:17:36,574 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1039 [2019-11-24 04:17:36,965 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-11-24 04:17:37,312 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 1047 DAG size of output: 1046 [2019-11-24 04:17:37,723 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 1051 [2019-11-24 04:17:38,033 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1051 [2019-11-24 04:17:38,424 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-11-24 04:17:38,767 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 1058 [2019-11-24 04:17:39,164 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-11-24 04:17:39,480 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1064 [2019-11-24 04:17:39,898 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-11-24 04:17:40,262 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1069 [2019-11-24 04:17:40,706 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-11-24 04:17:41,029 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1075 [2019-11-24 04:17:41,431 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-11-24 04:17:41,756 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1082 [2019-11-24 04:17:42,179 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 1087 [2019-11-24 04:17:42,513 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1087 [2019-11-24 04:17:42,935 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-11-24 04:17:43,275 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 1095 DAG size of output: 1094 [2019-11-24 04:17:43,724 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-11-24 04:17:44,069 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1100 [2019-11-24 04:17:44,489 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 1105 [2019-11-24 04:17:44,834 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 1105 [2019-11-24 04:17:45,279 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 1111 [2019-11-24 04:17:45,623 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1111 [2019-11-24 04:17:46,060 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-11-24 04:17:46,423 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 1119 DAG size of output: 1118 [2019-11-24 04:17:46,876 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 1123 [2019-11-24 04:17:47,250 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 1123 [2019-11-24 04:17:47,848 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-11-24 04:17:48,221 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1130 [2019-11-24 04:17:48,683 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-11-24 04:17:49,072 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 1136 [2019-11-24 04:17:49,528 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 1141 [2019-11-24 04:17:49,895 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 1142 DAG size of output: 1141 [2019-11-24 04:17:50,355 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 1147 [2019-11-24 04:17:50,780 WARN L192 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1147 [2019-11-24 04:17:51,267 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-11-24 04:17:51,655 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1154 [2019-11-24 04:17:52,132 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2019-11-24 04:17:52,541 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 1159 [2019-11-24 04:17:53,032 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 1166 [2019-11-24 04:17:53,433 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1167 DAG size of output: 1166 [2019-11-24 04:17:53,923 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 1172 [2019-11-24 04:17:54,311 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 1172 [2019-11-24 04:17:54,838 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-11-24 04:17:55,243 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 1177 [2019-11-24 04:17:55,737 WARN L192 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-11-24 04:17:56,152 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 1184 DAG size of output: 1183 [2019-11-24 04:17:56,679 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-11-24 04:17:57,099 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1190 [2019-11-24 04:17:57,621 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-11-24 04:17:58,047 WARN L192 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 1195 [2019-11-24 04:17:58,572 WARN L192 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-11-24 04:17:58,994 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1202 [2019-11-24 04:17:59,512 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-11-24 04:17:59,931 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 1209 DAG size of output: 1208 [2019-11-24 04:18:00,455 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-11-24 04:18:00,876 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 1213 [2019-11-24 04:18:01,402 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-11-24 04:18:01,847 WARN L192 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1219 [2019-11-24 04:18:02,376 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 1226 [2019-11-24 04:18:02,857 WARN L192 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1226 [2019-11-24 04:18:03,407 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 1231 [2019-11-24 04:18:03,858 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1231 [2019-11-24 04:18:04,387 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-11-24 04:18:04,845 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 1239 DAG size of output: 1238 [2019-11-24 04:18:05,397 WARN L192 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-11-24 04:18:05,846 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1245 DAG size of output: 1244 [2019-11-24 04:18:06,395 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-11-24 04:18:06,837 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1249 [2019-11-24 04:18:07,402 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-11-24 04:18:07,850 WARN L192 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1255 [2019-11-24 04:18:08,409 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-11-24 04:18:08,865 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1262 [2019-11-24 04:18:09,419 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-11-24 04:18:09,867 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1267 [2019-11-24 04:18:10,422 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-11-24 04:18:10,867 WARN L192 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1274 [2019-11-24 04:18:11,457 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-11-24 04:18:11,897 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1280