/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/tcpy.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:29:05,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:29:05,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:29:05,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:29:05,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:29:05,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:29:05,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:29:05,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:29:05,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:29:05,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:29:05,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:29:05,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:29:05,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:29:05,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:29:05,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:29:05,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:29:05,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:29:05,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:29:05,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:29:05,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:29:05,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:29:05,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:29:05,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:29:05,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:29:05,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:29:05,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:29:05,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:29:05,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:29:05,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:29:05,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:29:05,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:29:05,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:29:05,540 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:29:05,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:29:05,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:29:05,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:29:05,542 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:29:05,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:29:05,542 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:29:05,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:29:05,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:29:05,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:29:05,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:29:05,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:29:05,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:29:05,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:29:05,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:29:05,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:29:05,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:29:05,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:29:05,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:29:05,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:29:05,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:29:05,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:29:05,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:29:05,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:29:05,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:29:05,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:29:05,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:29:05,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:29:05,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:29:05,548 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:29:05,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:29:05,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:29:05,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:29:05,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:29:05,924 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:29:05,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/tcpy.c [2019-11-23 23:29:06,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3bd0587/018128e26aa64819a66e589784afc033/FLAGee3bfa82e [2019-11-23 23:29:06,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:29:06,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/tcpy.c [2019-11-23 23:29:06,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3bd0587/018128e26aa64819a66e589784afc033/FLAGee3bfa82e [2019-11-23 23:29:06,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3bd0587/018128e26aa64819a66e589784afc033 [2019-11-23 23:29:06,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:29:06,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:29:06,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:29:06,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:29:06,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:29:06,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:06" (1/1) ... [2019-11-23 23:29:06,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30764b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:06, skipping insertion in model container [2019-11-23 23:29:06,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:06" (1/1) ... [2019-11-23 23:29:06,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:29:06,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:29:07,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:29:07,091 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:29:07,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:29:07,147 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:29:07,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07 WrapperNode [2019-11-23 23:29:07,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:29:07,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:29:07,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:29:07,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:29:07,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:29:07,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:29:07,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:29:07,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:29:07,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... [2019-11-23 23:29:07,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:29:07,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:29:07,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:29:07,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:29:07,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:29:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:29:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 23:29:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:29:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:29:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:29:07,677 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:29:07,677 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-23 23:29:07,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:07 BoogieIcfgContainer [2019-11-23 23:29:07,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:29:07,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:29:07,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:29:07,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:29:07,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:06" (1/3) ... [2019-11-23 23:29:07,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6d35c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:07, skipping insertion in model container [2019-11-23 23:29:07,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (2/3) ... [2019-11-23 23:29:07,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6d35c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:07, skipping insertion in model container [2019-11-23 23:29:07,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:07" (3/3) ... [2019-11-23 23:29:07,689 INFO L109 eAbstractionObserver]: Analyzing ICFG tcpy.c [2019-11-23 23:29:07,701 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:29:07,710 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:29:07,723 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:29:07,752 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:29:07,753 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:29:07,753 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:29:07,753 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:29:07,753 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:29:07,753 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:29:07,754 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:29:07,754 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:29:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-23 23:29:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 23:29:07,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:29:07,778 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:29:07,778 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:29:07,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:29:07,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1270777806, now seen corresponding path program 1 times [2019-11-23 23:29:07,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:29:07,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63105040] [2019-11-23 23:29:07,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:29:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:29:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:29:08,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63105040] [2019-11-23 23:29:08,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:29:08,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:29:08,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840055782] [2019-11-23 23:29:08,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:29:08,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:29:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:29:08,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:29:08,026 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-11-23 23:29:08,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:29:08,085 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-11-23 23:29:08,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:29:08,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-23 23:29:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:29:08,097 INFO L225 Difference]: With dead ends: 24 [2019-11-23 23:29:08,097 INFO L226 Difference]: Without dead ends: 11 [2019-11-23 23:29:08,100 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 [2019-11-23 23:29:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-23 23:29:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-23 23:29:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-23 23:29:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-11-23 23:29:08,131 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2019-11-23 23:29:08,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:29:08,131 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-23 23:29:08,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:29:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-23 23:29:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 23:29:08,133 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:29:08,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:29:08,133 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:29:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:29:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1989856651, now seen corresponding path program 1 times [2019-11-23 23:29:08,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:29:08,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098757313] [2019-11-23 23:29:08,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:29:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:29:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:29:08,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098757313] [2019-11-23 23:29:08,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:29:08,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:29:08,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713876903] [2019-11-23 23:29:08,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:29:08,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:29:08,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:29:08,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:29:08,246 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 4 states. [2019-11-23 23:29:08,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:29:08,293 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-11-23 23:29:08,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:29:08,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-23 23:29:08,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:29:08,294 INFO L225 Difference]: With dead ends: 22 [2019-11-23 23:29:08,295 INFO L226 Difference]: Without dead ends: 17 [2019-11-23 23:29:08,296 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:29:08,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-23 23:29:08,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-23 23:29:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-23 23:29:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-23 23:29:08,301 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 9 [2019-11-23 23:29:08,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:29:08,301 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-23 23:29:08,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:29:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-23 23:29:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 23:29:08,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:29:08,302 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:29:08,303 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:29:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:29:08,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1561558058, now seen corresponding path program 1 times [2019-11-23 23:29:08,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:29:08,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387717205] [2019-11-23 23:29:08,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:29:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:29:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:29:08,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387717205] [2019-11-23 23:29:08,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857329874] [2019-11-23 23:29:08,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:29:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:29:08,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-23 23:29:08,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:29:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:29:08,546 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:29:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:29:08,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2015922841] [2019-11-23 23:29:08,595 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:29:08,595 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:29:08,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:29:08,610 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:29:08,611 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:29:09,640 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2019-11-23 23:29:10,318 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2019-11-23 23:29:11,038 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 151 [2019-11-23 23:29:11,179 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2019-11-23 23:29:11,444 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-11-23 23:29:12,129 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-23 23:29:12,263 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-23 23:29:13,096 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 179 [2019-11-23 23:29:13,220 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2019-11-23 23:29:14,444 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2019-11-23 23:29:15,662 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2019-11-23 23:29:15,901 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 205 [2019-11-23 23:29:17,706 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2019-11-23 23:29:19,194 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-11-23 23:29:19,319 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 214 [2019-11-23 23:29:20,847 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2019-11-23 23:29:21,087 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 221 [2019-11-23 23:29:22,483 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2019-11-23 23:29:26,840 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2019-11-23 23:29:26,987 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2019-11-23 23:29:27,318 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-11-23 23:29:29,150 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 244 [2019-11-23 23:29:30,782 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2019-11-23 23:29:32,303 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 251 [2019-11-23 23:29:33,682 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2019-11-23 23:29:33,816 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2019-11-23 23:29:35,367 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-11-23 23:29:35,483 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2019-11-23 23:29:37,051 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-11-23 23:29:37,185 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 259 [2019-11-23 23:29:37,409 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-11-23 23:29:37,581 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2019-11-23 23:29:37,814 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 263 [2019-11-23 23:29:39,454 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2019-11-23 23:29:39,574 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 268 [2019-11-23 23:29:41,218 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2019-11-23 23:29:41,357 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 272 [2019-11-23 23:29:43,263 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-11-23 23:29:43,389 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 276 [2019-11-23 23:29:45,242 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2019-11-23 23:29:45,388 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 278 [2019-11-23 23:29:45,542 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2019-11-23 23:29:45,675 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2019-11-23 23:29:45,810 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-11-23 23:29:45,933 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 283 [2019-11-23 23:29:47,761 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-11-23 23:29:47,904 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 288 [2019-11-23 23:29:49,794 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-11-23 23:29:49,960 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 291 [2019-11-23 23:29:51,877 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 296 [2019-11-23 23:29:52,043 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 294 [2019-11-23 23:29:54,111 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 314 [2019-11-23 23:29:54,285 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 310 [2019-11-23 23:29:54,492 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2019-11-23 23:29:54,638 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2019-11-23 23:29:56,953 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-23 23:29:57,136 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 317 [2019-11-23 23:29:59,449 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 324 [2019-11-23 23:29:59,620 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 321 [2019-11-23 23:30:02,248 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 326 [2019-11-23 23:30:02,446 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 322 [2019-11-23 23:30:02,607 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:30:02,776 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 322 [2019-11-23 23:30:02,924 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2019-11-23 23:30:03,065 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 326 [2019-11-23 23:30:05,525 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-23 23:30:05,680 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2019-11-23 23:30:08,184 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-11-23 23:30:08,377 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 334 [2019-11-23 23:30:10,822 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2019-11-23 23:30:10,983 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 337 [2019-11-23 23:30:13,369 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2019-11-23 23:30:13,539 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2019-11-23 23:30:16,111 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 348 [2019-11-23 23:30:16,283 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 343 [2019-11-23 23:30:16,471 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2019-11-23 23:30:16,662 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 345 [2019-11-23 23:30:16,847 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2019-11-23 23:30:17,015 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 349 [2019-11-23 23:30:20,067 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-11-23 23:30:20,256 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 353 [2019-11-23 23:30:23,201 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-23 23:30:23,383 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 356 [2019-11-23 23:30:26,036 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2019-11-23 23:30:26,237 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 359 [2019-11-23 23:30:29,021 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-11-23 23:30:29,238 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 359 [2019-11-23 23:30:29,410 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2019-11-23 23:30:29,605 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 360 [2019-11-23 23:30:32,369 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2019-11-23 23:30:32,547 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2019-11-23 23:30:35,799 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2019-11-23 23:30:36,039 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2019-11-23 23:30:39,227 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:30:39,406 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 371