/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_copy3_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:03:14,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:03:14,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:03:14,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:03:14,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:03:14,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:03:14,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:03:14,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:03:14,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:03:14,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:03:14,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:03:14,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:03:14,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:03:14,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:03:14,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:03:14,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:03:14,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:03:14,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:03:14,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:03:14,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:03:14,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:03:14,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:03:14,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:03:14,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:03:14,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:03:14,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:03:14,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:03:14,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:03:14,616 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 23:03:14,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:03:14,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:03:14,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:03:14,636 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:03:14,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:03:14,636 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:03:14,637 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:03:14,637 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:03:14,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:03:14,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:03:14,638 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:03:14,638 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:03:14,639 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:03:14,639 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:03:14,639 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:03:14,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:03:14,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:03:14,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:03:14,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:03:14,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:03:14,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:03:14,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:03:14,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:03:14,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:03:14,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:03:14,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:03:14,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:03:14,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:03:14,645 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:03:14,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:03:14,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:03:14,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:03:14,646 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:03:14,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:03:14,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:03:14,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:03:14,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:03:14,950 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:03:14,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy3_ground-1.i [2019-11-23 23:03:15,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f405d7ae/7bdbe176c1cf4034840e93d5e243a39c/FLAGe9c7462ee [2019-11-23 23:03:15,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:03:15,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy3_ground-1.i [2019-11-23 23:03:15,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f405d7ae/7bdbe176c1cf4034840e93d5e243a39c/FLAGe9c7462ee [2019-11-23 23:03:15,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f405d7ae/7bdbe176c1cf4034840e93d5e243a39c [2019-11-23 23:03:15,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:03:15,883 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:03:15,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:03:15,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:03:15,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:03:15,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:03:15" (1/1) ... [2019-11-23 23:03:15,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1905c6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:15, skipping insertion in model container [2019-11-23 23:03:15,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:03:15" (1/1) ... [2019-11-23 23:03:15,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:03:15,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:03:16,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:03:16,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:03:16,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:03:16,196 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:03:16,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16 WrapperNode [2019-11-23 23:03:16,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:03:16,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:03:16,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:03:16,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:03:16,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:03:16,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:03:16,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:03:16,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:03:16,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (1/1) ... [2019-11-23 23:03:16,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:03:16,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:03:16,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:03:16,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:03:16,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (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 23:03:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:03:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:03:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:03:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:03:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:03:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:03:16,849 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:03:16,850 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-23 23:03:16,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:03:16 BoogieIcfgContainer [2019-11-23 23:03:16,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:03:16,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:03:16,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:03:16,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:03:16,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:03:15" (1/3) ... [2019-11-23 23:03:16,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40502934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:03:16, skipping insertion in model container [2019-11-23 23:03:16,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:16" (2/3) ... [2019-11-23 23:03:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40502934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:03:16, skipping insertion in model container [2019-11-23 23:03:16,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:03:16" (3/3) ... [2019-11-23 23:03:16,859 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy3_ground-1.i [2019-11-23 23:03:16,869 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:03:16,876 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:03:16,887 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:03:16,907 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:03:16,907 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:03:16,907 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:03:16,908 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:03:16,908 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:03:16,908 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:03:16,908 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:03:16,908 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:03:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-23 23:03:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 23:03:16,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:03:16,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:03:16,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:03:16,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:03:16,932 INFO L82 PathProgramCache]: Analyzing trace with hash 69102807, now seen corresponding path program 1 times [2019-11-23 23:03:16,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:03:16,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076633860] [2019-11-23 23:03:16,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:03:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:03:17,086 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 23:03:17,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076633860] [2019-11-23 23:03:17,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:03:17,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:03:17,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796004666] [2019-11-23 23:03:17,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:03:17,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:03:17,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:03:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:03:17,107 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-23 23:03:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:03:17,133 INFO L93 Difference]: Finished difference Result 21 states and 31 transitions. [2019-11-23 23:03:17,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:03:17,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-23 23:03:17,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:03:17,144 INFO L225 Difference]: With dead ends: 21 [2019-11-23 23:03:17,145 INFO L226 Difference]: Without dead ends: 11 [2019-11-23 23:03:17,147 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 23:03:17,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-23 23:03:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-23 23:03:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-23 23:03:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-23 23:03:17,175 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 15 transitions. Word has length 8 [2019-11-23 23:03:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:03:17,176 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-23 23:03:17,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:03:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-23 23:03:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 23:03:17,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:03:17,177 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:03:17,177 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:03:17,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:03:17,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1570257275, now seen corresponding path program 1 times [2019-11-23 23:03:17,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:03:17,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701769145] [2019-11-23 23:03:17,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:03:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:03:17,224 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 23:03:17,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701769145] [2019-11-23 23:03:17,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:03:17,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:03:17,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973679698] [2019-11-23 23:03:17,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:03:17,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:03:17,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:03:17,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:03:17,229 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. Second operand 3 states. [2019-11-23 23:03:17,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:03:17,278 INFO L93 Difference]: Finished difference Result 21 states and 30 transitions. [2019-11-23 23:03:17,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:03:17,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-23 23:03:17,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:03:17,279 INFO L225 Difference]: With dead ends: 21 [2019-11-23 23:03:17,279 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 23:03:17,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:03:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 23:03:17,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-23 23:03:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-23 23:03:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-23 23:03:17,285 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 18 transitions. Word has length 9 [2019-11-23 23:03:17,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:03:17,286 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-23 23:03:17,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:03:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-11-23 23:03:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 23:03:17,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:03:17,287 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:03:17,287 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:03:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:03:17,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1829953305, now seen corresponding path program 1 times [2019-11-23 23:03:17,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:03:17,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756310628] [2019-11-23 23:03:17,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:03:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:03:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 23:03:17,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756310628] [2019-11-23 23:03:17,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478438692] [2019-11-23 23:03:17,376 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 23:03:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:03:17,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:03:17,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:03:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 23:03:17,465 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:03:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 23:03:17,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [966114952] [2019-11-23 23:03:17,545 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:03:17,550 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:03:17,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:03:17,577 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:03:17,579 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:03:18,036 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-11-23 23:03:18,813 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-11-23 23:03:18,935 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2019-11-23 23:03:19,081 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2019-11-23 23:03:19,416 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-23 23:03:19,562 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-11-23 23:03:19,696 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 153 [2019-11-23 23:03:20,175 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-23 23:03:20,331 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 167 [2019-11-23 23:03:20,499 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-23 23:03:20,772 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 172 [2019-11-23 23:03:21,467 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-23 23:03:21,624 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-23 23:03:21,779 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 175 [2019-11-23 23:03:22,044 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-23 23:03:22,695 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 183 [2019-11-23 23:03:23,523 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2019-11-23 23:03:23,676 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 185 [2019-11-23 23:03:23,897 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-11-23 23:03:27,975 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 203 [2019-11-23 23:03:28,909 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2019-11-23 23:03:29,056 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2019-11-23 23:03:30,127 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2019-11-23 23:03:32,381 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 224 [2019-11-23 23:03:32,521 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-11-23 23:03:32,636 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 227 [2019-11-23 23:03:33,859 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2019-11-23 23:03:33,991 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2019-11-23 23:03:35,467 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2019-11-23 23:03:35,619 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2019-11-23 23:03:35,852 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2019-11-23 23:03:37,177 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 255 [2019-11-23 23:03:37,325 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2019-11-23 23:03:38,834 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2019-11-23 23:03:38,976 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 255 [2019-11-23 23:03:40,512 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-11-23 23:03:40,662 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2019-11-23 23:03:42,041 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2019-11-23 23:03:42,195 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2019-11-23 23:03:43,686 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2019-11-23 23:03:43,840 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 266 [2019-11-23 23:03:45,504 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2019-11-23 23:03:45,649 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 271 [2019-11-23 23:03:47,358 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-11-23 23:03:47,594 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 274 [2019-11-23 23:03:47,758 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2019-11-23 23:03:47,907 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 276 [2019-11-23 23:03:48,072 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2019-11-23 23:03:48,240 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 278 [2019-11-23 23:03:48,379 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2019-11-23 23:03:48,518 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 281 [2019-11-23 23:03:50,205 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2019-11-23 23:03:50,348 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2019-11-23 23:03:52,206 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-11-23 23:03:52,350 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 289 [2019-11-23 23:03:54,134 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-11-23 23:03:54,308 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 291 [2019-11-23 23:03:54,488 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-11-23 23:03:54,657 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 291 [2019-11-23 23:03:54,822 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-11-23 23:03:54,968 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 294 [2019-11-23 23:03:56,983 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-11-23 23:03:57,198 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2019-11-23 23:03:59,059 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 305 [2019-11-23 23:03:59,239 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2019-11-23 23:04:01,287 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-11-23 23:04:01,465 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 307 [2019-11-23 23:04:03,480 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 314 [2019-11-23 23:04:03,665 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 308 [2019-11-23 23:04:05,745 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2019-11-23 23:04:05,924 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2019-11-23 23:04:08,177 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-11-23 23:04:08,342 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 316 [2019-11-23 23:04:10,422 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 322 [2019-11-23 23:04:10,628 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2019-11-23 23:04:12,767 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 327 [2019-11-23 23:04:12,994 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 321 [2019-11-23 23:04:13,185 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:04:13,362 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2019-11-23 23:04:15,548 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 331 [2019-11-23 23:04:15,752 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 323 [2019-11-23 23:04:15,911 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:04:16,053 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2019-11-23 23:04:18,352 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-23 23:04:18,525 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2019-11-23 23:04:20,881 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 335 [2019-11-23 23:04:21,050 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 331 [2019-11-23 23:04:23,383 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 338 [2019-11-23 23:04:23,576 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 335 [2019-11-23 23:04:26,097 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-11-23 23:04:26,273 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2019-11-23 23:04:28,852 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-11-23 23:04:29,033 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 343 [2019-11-23 23:04:31,494 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2019-11-23 23:04:31,710 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 345 [2019-11-23 23:04:34,141 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 349 [2019-11-23 23:04:34,350 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 348 [2019-11-23 23:04:37,047 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-11-23 23:04:37,237 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 353 [2019-11-23 23:04:40,002 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 358 [2019-11-23 23:04:40,220 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 355 [2019-11-23 23:04:43,290 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2019-11-23 23:04:43,550 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 358 [2019-11-23 23:04:46,285 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-11-23 23:04:46,494 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2019-11-23 23:04:46,673 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-11-23 23:04:46,867 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 362 [2019-11-23 23:04:47,096 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2019-11-23 23:04:47,276 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 366 [2019-11-23 23:04:50,091 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-23 23:04:50,311 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370