/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-examples/standard_copy4_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:04:30,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:04:30,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:04:30,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:04:30,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:04:30,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:04:30,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:04:30,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:04:30,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:04:30,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:04:30,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:04:30,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:04:30,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:04:30,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:04:30,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:04:30,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:04:30,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:04:30,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:04:30,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:04:30,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:04:30,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:04:30,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:04:30,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:04:30,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:04:31,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:04:31,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:04:31,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:04:31,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:04:31,011 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 23:04:31,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:04:31,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:04:31,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:04:31,027 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:04:31,027 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:04:31,027 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:04:31,028 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:04:31,028 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:04:31,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:04:31,028 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:04:31,028 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:04:31,029 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:04:31,029 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:04:31,029 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:04:31,029 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:04:31,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:04:31,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:04:31,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:04:31,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:04:31,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:04:31,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:04:31,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:04:31,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:04:31,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:04:31,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:04:31,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:04:31,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:04:31,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:04:31,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:04:31,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:04:31,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:04:31,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:04:31,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:04:31,035 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:04:31,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:04:31,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:04:31,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:04:31,037 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:04:31,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:04:31,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:04:31,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:04:31,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:04:31,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:04:31,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy4_ground-1.i [2019-11-23 23:04:31,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/389e0952d/a9b4a66f2135441788f3a10c08bfc70e/FLAG5f7a1f1e6 [2019-11-23 23:04:31,870 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:04:31,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy4_ground-1.i [2019-11-23 23:04:31,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/389e0952d/a9b4a66f2135441788f3a10c08bfc70e/FLAG5f7a1f1e6 [2019-11-23 23:04:32,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/389e0952d/a9b4a66f2135441788f3a10c08bfc70e [2019-11-23 23:04:32,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:04:32,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:04:32,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:32,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:04:32,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:04:32,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a57a907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32, skipping insertion in model container [2019-11-23 23:04:32,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:04:32,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:04:32,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:32,495 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:04:32,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:32,547 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:04:32,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32 WrapperNode [2019-11-23 23:04:32,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:32,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:32,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:04:32,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:04:32,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:32,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:04:32,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:04:32,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:04:32,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (1/1) ... [2019-11-23 23:04:32,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:04:32,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:04:32,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:04:32,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:04:32,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (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 23:04:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:04:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:04:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:04:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:04:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:04:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:04:33,279 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:04:33,280 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-23 23:04:33,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:33 BoogieIcfgContainer [2019-11-23 23:04:33,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:04:33,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:04:33,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:04:33,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:04:33,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:04:32" (1/3) ... [2019-11-23 23:04:33,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396a93da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:33, skipping insertion in model container [2019-11-23 23:04:33,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:32" (2/3) ... [2019-11-23 23:04:33,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396a93da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:33, skipping insertion in model container [2019-11-23 23:04:33,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:33" (3/3) ... [2019-11-23 23:04:33,297 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy4_ground-1.i [2019-11-23 23:04:33,307 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:04:33,314 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:04:33,324 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:04:33,345 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:04:33,345 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:04:33,345 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:04:33,345 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:04:33,345 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:04:33,346 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:04:33,346 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:04:33,346 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:04:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-23 23:04:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 23:04:33,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:33,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:33,364 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:33,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1511642808, now seen corresponding path program 1 times [2019-11-23 23:04:33,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:33,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327018981] [2019-11-23 23:04:33,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:33,522 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 23:04:33,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327018981] [2019-11-23 23:04:33,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:04:33,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:04:33,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850262296] [2019-11-23 23:04:33,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:04:33,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:33,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:04:33,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:33,544 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-11-23 23:04:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:33,576 INFO L93 Difference]: Finished difference Result 23 states and 35 transitions. [2019-11-23 23:04:33,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:04:33,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-23 23:04:33,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:33,586 INFO L225 Difference]: With dead ends: 23 [2019-11-23 23:04:33,587 INFO L226 Difference]: Without dead ends: 12 [2019-11-23 23:04:33,589 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-23 23:04:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-23 23:04:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-23 23:04:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2019-11-23 23:04:33,620 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 17 transitions. Word has length 9 [2019-11-23 23:04:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:33,621 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 17 transitions. [2019-11-23 23:04:33,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:04:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-11-23 23:04:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 23:04:33,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:33,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:33,623 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:33,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:33,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1252387540, now seen corresponding path program 1 times [2019-11-23 23:04:33,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:33,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837219995] [2019-11-23 23:04:33,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:04:33,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837219995] [2019-11-23 23:04:33,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219463463] [2019-11-23 23:04:33,704 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 23:04:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:33,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 23:04:33,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:04:33,795 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 23:04:33,795 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:04:33,808 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 23:04:33,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-23 23:04:33,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-23 23:04:33,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082050825] [2019-11-23 23:04:33,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:04:33,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:33,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:04:33,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:04:33,814 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. Second operand 4 states. [2019-11-23 23:04:33,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:33,887 INFO L93 Difference]: Finished difference Result 28 states and 44 transitions. [2019-11-23 23:04:33,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:04:33,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-23 23:04:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:33,888 INFO L225 Difference]: With dead ends: 28 [2019-11-23 23:04:33,889 INFO L226 Difference]: Without dead ends: 20 [2019-11-23 23:04:33,889 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:04:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-23 23:04:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-23 23:04:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-23 23:04:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-11-23 23:04:33,895 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 10 [2019-11-23 23:04:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:33,895 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-23 23:04:33,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:04:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-23 23:04:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-23 23:04:33,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:33,897 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:34,101 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:04:34,101 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:34,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash 485125900, now seen corresponding path program 1 times [2019-11-23 23:04:34,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:34,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063015429] [2019-11-23 23:04:34,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-23 23:04:34,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063015429] [2019-11-23 23:04:34,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190989755] [2019-11-23 23:04:34,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:04:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:34,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:04:34,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:04:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-23 23:04:34,230 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:04:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-23 23:04:34,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [845144234] [2019-11-23 23:04:34,281 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-23 23:04:34,281 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:04:34,288 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:04:34,295 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:04:34,295 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:04:34,784 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-11-23 23:04:35,362 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-23 23:04:35,487 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 142 [2019-11-23 23:04:35,816 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-23 23:04:35,992 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2019-11-23 23:04:36,186 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2019-11-23 23:04:36,569 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-23 23:04:36,750 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-11-23 23:04:36,945 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-11-23 23:04:37,435 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-23 23:04:37,596 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2019-11-23 23:04:37,790 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-11-23 23:04:37,975 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-23 23:04:38,171 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2019-11-23 23:04:38,332 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-23 23:04:38,498 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 196 [2019-11-23 23:04:39,305 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-11-23 23:04:39,471 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-11-23 23:04:39,662 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2019-11-23 23:04:40,518 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2019-11-23 23:04:40,716 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2019-11-23 23:04:41,854 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2019-11-23 23:04:42,044 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2019-11-23 23:04:42,221 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2019-11-23 23:04:42,389 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2019-11-23 23:04:42,606 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-23 23:04:42,817 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 244 [2019-11-23 23:04:44,345 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2019-11-23 23:04:44,749 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2019-11-23 23:04:46,123 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-11-23 23:04:46,283 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2019-11-23 23:04:46,486 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2019-11-23 23:04:46,655 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-11-23 23:04:46,791 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 253 [2019-11-23 23:04:47,939 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2019-11-23 23:04:48,101 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2019-11-23 23:04:49,883 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2019-11-23 23:04:50,407 WARN L192 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2019-11-23 23:04:50,640 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-11-23 23:04:50,809 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 260 [2019-11-23 23:04:52,251 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-11-23 23:04:52,444 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2019-11-23 23:04:52,645 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-11-23 23:04:52,790 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 266 [2019-11-23 23:04:54,389 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2019-11-23 23:04:54,563 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 270 [2019-11-23 23:04:56,185 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 275 [2019-11-23 23:04:56,392 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2019-11-23 23:04:58,020 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 277 [2019-11-23 23:04:58,221 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 274 [2019-11-23 23:04:58,435 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-11-23 23:04:58,660 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 276 [2019-11-23 23:05:00,315 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 283 [2019-11-23 23:05:00,507 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 280 [2019-11-23 23:05:02,286 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-11-23 23:05:02,443 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 284 [2019-11-23 23:05:04,164 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 289 [2019-11-23 23:05:04,345 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 288 [2019-11-23 23:05:06,232 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-11-23 23:05:06,458 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-23 23:05:06,631 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-11-23 23:05:06,781 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 293 [2019-11-23 23:05:08,492 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 300 [2019-11-23 23:05:08,687 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 297 [2019-11-23 23:05:10,742 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 303 [2019-11-23 23:05:10,949 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 300 [2019-11-23 23:05:12,872 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-11-23 23:05:13,048 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 304 [2019-11-23 23:05:15,108 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-11-23 23:05:15,299 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 309 [2019-11-23 23:05:17,249 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 316 [2019-11-23 23:05:17,477 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 311 [2019-11-23 23:05:17,687 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2019-11-23 23:05:17,916 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2019-11-23 23:05:20,035 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 321 [2019-11-23 23:05:20,276 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 316 [2019-11-23 23:05:20,475 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2019-11-23 23:05:20,686 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 317 [2019-11-23 23:05:20,910 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-23 23:05:21,134 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2019-11-23 23:05:23,528 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2019-11-23 23:05:23,749 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2019-11-23 23:05:26,002 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 332 [2019-11-23 23:05:26,217 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2019-11-23 23:05:28,587 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2019-11-23 23:05:28,824 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 334 [2019-11-23 23:05:31,324 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-11-23 23:05:31,554 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 337 [2019-11-23 23:05:34,140 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-23 23:05:34,379 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 339 [2019-11-23 23:05:34,611 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-11-23 23:05:34,850 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2019-11-23 23:05:35,053 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-11-23 23:05:35,249 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2019-11-23 23:05:37,756 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-11-23 23:05:37,989 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 343 [2019-11-23 23:05:40,723 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2019-11-23 23:05:40,977 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2019-11-23 23:05:43,723 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-11-23 23:05:43,965 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 351 [2019-11-23 23:05:46,510 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2019-11-23 23:05:46,749 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 352 [2019-11-23 23:05:46,977 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-11-23 23:05:47,193 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 354 [2019-11-23 23:05:49,838 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 360 [2019-11-23 23:05:50,061 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 358 [2019-11-23 23:05:52,875 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 365 [2019-11-23 23:05:53,088 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 362 [2019-11-23 23:05:55,942 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2019-11-23 23:05:56,189 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 365 [2019-11-23 23:05:59,057 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 370 [2019-11-23 23:05:59,331 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 367 [2019-11-23 23:05:59,589 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:05:59,834 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 371 [2019-11-23 23:06:02,641 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-11-23 23:06:02,873 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 376 [2019-11-23 23:06:05,744 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2019-11-23 23:06:06,008 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 381