/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_copy6_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:04:37,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:04:37,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:04:37,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:04:37,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:04:37,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:04:37,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:04:37,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:04:37,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:04:37,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:04:37,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:04:37,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:04:37,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:04:37,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:04:37,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:04:37,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:04:37,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:04:37,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:04:37,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:04:37,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:04:37,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:04:37,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:04:37,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:04:37,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:04:37,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:04:37,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:04:37,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:04:37,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:04:37,935 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 23:04:37,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:04:37,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:04:37,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:04:37,968 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:04:37,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:04:37,968 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:04:37,968 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:04:37,968 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:04:37,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:04:37,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:04:37,969 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:04:37,969 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:04:37,969 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:04:37,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:04:37,970 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:04:37,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:04:37,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:04:37,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:04:37,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:04:37,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:04:37,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:04:37,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:04:37,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:04:37,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:04:37,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:04:37,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:04:37,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:04:37,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:04:37,976 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:04:37,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:04:37,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:04:37,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:04:37,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:04:38,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:04:38,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:04:38,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:04:38,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:04:38,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:04:38,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy6_ground-2.i [2019-11-23 23:04:38,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8e789/2f6471660e764904bcaf2831705f628f/FLAG89ece38e2 [2019-11-23 23:04:38,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:04:38,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy6_ground-2.i [2019-11-23 23:04:38,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8e789/2f6471660e764904bcaf2831705f628f/FLAG89ece38e2 [2019-11-23 23:04:39,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8e789/2f6471660e764904bcaf2831705f628f [2019-11-23 23:04:39,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:04:39,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:04:39,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:39,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:04:39,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:04:39,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53417ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39, skipping insertion in model container [2019-11-23 23:04:39,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:04:39,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:04:39,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:39,404 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:04:39,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:39,454 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:04:39,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39 WrapperNode [2019-11-23 23:04:39,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:39,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:39,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:04:39,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:04:39,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:39,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:04:39,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:04:39,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:04:39,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (1/1) ... [2019-11-23 23:04:39,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:04:39,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:04:39,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:04:39,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:04:39,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (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 23:04:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:04:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:04:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:04:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:04:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:04:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:04:40,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:04:40,241 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-23 23:04:40,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:40 BoogieIcfgContainer [2019-11-23 23:04:40,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:04:40,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:04:40,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:04:40,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:04:40,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:04:39" (1/3) ... [2019-11-23 23:04:40,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf3c4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:40, skipping insertion in model container [2019-11-23 23:04:40,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:39" (2/3) ... [2019-11-23 23:04:40,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf3c4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:40, skipping insertion in model container [2019-11-23 23:04:40,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:40" (3/3) ... [2019-11-23 23:04:40,252 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy6_ground-2.i [2019-11-23 23:04:40,261 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:04:40,268 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:04:40,279 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:04:40,300 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:04:40,301 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:04:40,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:04:40,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:04:40,301 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:04:40,301 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:04:40,301 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:04:40,301 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:04:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-23 23:04:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 23:04:40,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:40,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:40,321 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:40,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:40,327 INFO L82 PathProgramCache]: Analyzing trace with hash 417125217, now seen corresponding path program 1 times [2019-11-23 23:04:40,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:40,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631422139] [2019-11-23 23:04:40,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:40,504 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 23:04:40,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631422139] [2019-11-23 23:04:40,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:04:40,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:04:40,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107504918] [2019-11-23 23:04:40,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:04:40,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:40,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:04:40,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:40,531 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2019-11-23 23:04:40,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:40,562 INFO L93 Difference]: Finished difference Result 27 states and 43 transitions. [2019-11-23 23:04:40,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:04:40,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-23 23:04:40,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:40,576 INFO L225 Difference]: With dead ends: 27 [2019-11-23 23:04:40,577 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 23:04:40,580 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 23:04:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 23:04:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-23 23:04:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-23 23:04:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-11-23 23:04:40,621 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 21 transitions. Word has length 11 [2019-11-23 23:04:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:40,622 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 21 transitions. [2019-11-23 23:04:40,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:04:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-11-23 23:04:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 23:04:40,623 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:40,623 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:40,624 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:40,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:40,625 INFO L82 PathProgramCache]: Analyzing trace with hash 739487495, now seen corresponding path program 1 times [2019-11-23 23:04:40,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:40,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844804081] [2019-11-23 23:04:40,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:40,685 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 23:04:40,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844804081] [2019-11-23 23:04:40,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086375899] [2019-11-23 23:04:40,686 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 23:04:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:40,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 23:04:40,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:04:40,788 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 23:04:40,789 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:04:40,809 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 23:04:40,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-23 23:04:40,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-23 23:04:40,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705749801] [2019-11-23 23:04:40,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:04:40,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:40,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:04:40,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:04:40,814 INFO L87 Difference]: Start difference. First operand 14 states and 21 transitions. Second operand 4 states. [2019-11-23 23:04:40,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:40,922 INFO L93 Difference]: Finished difference Result 36 states and 60 transitions. [2019-11-23 23:04:40,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:04:40,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-23 23:04:40,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:40,925 INFO L225 Difference]: With dead ends: 36 [2019-11-23 23:04:40,925 INFO L226 Difference]: Without dead ends: 26 [2019-11-23 23:04:40,927 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 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 23:04:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-23 23:04:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-23 23:04:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-23 23:04:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-11-23 23:04:40,940 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 12 [2019-11-23 23:04:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:40,941 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-11-23 23:04:40,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:04:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-23 23:04:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-23 23:04:40,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:40,945 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:41,155 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:04:41,158 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:41,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1930768793, now seen corresponding path program 1 times [2019-11-23 23:04:41,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:41,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521876375] [2019-11-23 23:04:41,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-23 23:04:41,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521876375] [2019-11-23 23:04:41,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075580779] [2019-11-23 23:04:41,255 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 23:04:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:41,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:04:41,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:04:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-23 23:04:41,345 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:04:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-23 23:04:41,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [400672143] [2019-11-23 23:04:41,428 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-11-23 23:04:41,428 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:04:41,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:04:41,445 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:04:41,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:04:42,378 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 113 [2019-11-23 23:04:43,072 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-23 23:04:43,255 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 190 [2019-11-23 23:04:43,669 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-11-23 23:04:43,929 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2019-11-23 23:04:44,240 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 206 [2019-11-23 23:04:44,708 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2019-11-23 23:04:44,953 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2019-11-23 23:04:45,197 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 222 [2019-11-23 23:04:46,038 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2019-11-23 23:04:46,450 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2019-11-23 23:04:46,940 WARN L192 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2019-11-23 23:04:47,369 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2019-11-23 23:04:47,723 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2019-11-23 23:04:48,057 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-23 23:04:48,334 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 244 [2019-11-23 23:04:49,290 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-11-23 23:04:49,558 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2019-11-23 23:04:49,750 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2019-11-23 23:04:50,645 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2019-11-23 23:04:50,868 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2019-11-23 23:04:51,091 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-11-23 23:04:51,269 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 253 [2019-11-23 23:04:52,243 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-11-23 23:04:52,449 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2019-11-23 23:04:53,409 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2019-11-23 23:04:53,600 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2019-11-23 23:04:54,566 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2019-11-23 23:04:54,815 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2019-11-23 23:04:55,040 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2019-11-23 23:04:55,218 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-11-23 23:04:55,361 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 265 [2019-11-23 23:04:56,520 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-11-23 23:04:56,773 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2019-11-23 23:04:56,981 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2019-11-23 23:04:58,601 WARN L192 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-23 23:04:59,248 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 285 [2019-11-23 23:04:59,498 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-11-23 23:04:59,681 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 288 [2019-11-23 23:05:01,069 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 297 [2019-11-23 23:05:01,307 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 295 [2019-11-23 23:05:02,888 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-23 23:05:03,128 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 299 [2019-11-23 23:05:04,544 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 303 [2019-11-23 23:05:04,807 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 301 [2019-11-23 23:05:05,041 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-11-23 23:05:05,288 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 302 [2019-11-23 23:05:05,488 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-11-23 23:05:05,702 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 305 [2019-11-23 23:05:07,280 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-11-23 23:05:07,527 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 310 [2019-11-23 23:05:09,350 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-11-23 23:05:09,595 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 314 [2019-11-23 23:05:11,217 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2019-11-23 23:05:11,473 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2019-11-23 23:05:13,123 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 323 [2019-11-23 23:05:13,381 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 323 [2019-11-23 23:05:15,342 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-23 23:05:15,618 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 326 [2019-11-23 23:05:17,358 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 329 [2019-11-23 23:05:17,637 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 327 [2019-11-23 23:05:17,904 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-23 23:05:18,161 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2019-11-23 23:05:20,062 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2019-11-23 23:05:20,334 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 335 [2019-11-23 23:05:22,112 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-11-23 23:05:22,385 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-11-23 23:05:22,686 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 336 [2019-11-23 23:05:23,185 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2019-11-23 23:05:23,476 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 337 [2019-11-23 23:05:25,335 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 345 [2019-11-23 23:05:25,655 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 340 [2019-11-23 23:05:25,944 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-11-23 23:05:26,229 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 343 [2019-11-23 23:05:28,365 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 352 [2019-11-23 23:05:28,636 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2019-11-23 23:05:30,863 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 355 [2019-11-23 23:05:31,122 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 351 [2019-11-23 23:05:33,332 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2019-11-23 23:05:33,610 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 355 [2019-11-23 23:05:35,882 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2019-11-23 23:05:36,188 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 358 [2019-11-23 23:05:38,480 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 365 [2019-11-23 23:05:38,791 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 362 [2019-11-23 23:05:41,065 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 367 [2019-11-23 23:05:41,391 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 364 [2019-11-23 23:05:41,680 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2019-11-23 23:05:41,962 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 366 [2019-11-23 23:05:44,519 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:05:44,849 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2019-11-23 23:05:47,354 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 374 [2019-11-23 23:05:47,653 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 374 [2019-11-23 23:05:50,177 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2019-11-23 23:05:50,465 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 379 [2019-11-23 23:05:53,406 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2019-11-23 23:05:53,783 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 378 [2019-11-23 23:05:54,079 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-23 23:05:54,395 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 376 [2019-11-23 23:05:54,683 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-23 23:05:55,029 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 380 [2019-11-23 23:05:57,994 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 388 [2019-11-23 23:05:58,327 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 385 [2019-11-23 23:06:01,488 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2019-11-23 23:06:01,796 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2019-11-23 23:06:05,275 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-23 23:06:05,587 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 395 [2019-11-23 23:06:08,664 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2019-11-23 23:06:09,048 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2019-11-23 23:06:09,371 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-23 23:06:09,676 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 395