java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 19:42:11,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 19:42:11,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 19:42:11,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 19:42:11,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 19:42:11,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 19:42:11,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 19:42:11,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 19:42:11,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 19:42:11,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 19:42:11,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 19:42:11,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 19:42:11,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 19:42:11,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 19:42:11,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 19:42:11,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 19:42:11,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 19:42:11,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 19:42:11,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 19:42:11,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 19:42:11,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 19:42:11,689 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 19:42:11,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 19:42:11,690 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 19:42:11,690 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 19:42:11,691 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 19:42:11,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 19:42:11,691 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 19:42:11,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 19:42:11,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 19:42:11,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 19:42:11,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 19:42:11,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 19:42:11,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 19:42:11,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 19:42:11,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 19:42:11,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 19:42:11,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 19:42:11,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 19:42:11,696 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 19:42:11,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 19:42:11,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 19:42:11,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 19:42:11,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 19:42:11,697 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 19:42:11,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 19:42:11,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 19:42:11,698 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 19:42:11,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 19:42:11,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 19:42:11,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 19:42:11,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 19:42:11,749 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 19:42:11,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2019-10-02 19:42:11,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d752b4235/f4250b4e8bcf488d8d050e4a8209d81d/FLAGbf85d3b2e [2019-10-02 19:42:12,367 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 19:42:12,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2019-10-02 19:42:12,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d752b4235/f4250b4e8bcf488d8d050e4a8209d81d/FLAGbf85d3b2e [2019-10-02 19:42:12,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d752b4235/f4250b4e8bcf488d8d050e4a8209d81d [2019-10-02 19:42:12,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 19:42:12,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 19:42:12,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 19:42:12,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 19:42:12,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 19:42:12,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:42:12" (1/1) ... [2019-10-02 19:42:12,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf90c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:12, skipping insertion in model container [2019-10-02 19:42:12,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:42:12" (1/1) ... [2019-10-02 19:42:12,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 19:42:12,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 19:42:13,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 19:42:13,383 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 19:42:13,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 19:42:13,668 INFO L192 MainTranslator]: Completed translation [2019-10-02 19:42:13,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13 WrapperNode [2019-10-02 19:42:13,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 19:42:13,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 19:42:13,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 19:42:13,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 19:42:13,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (1/1) ... [2019-10-02 19:42:13,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 19:42:13,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 19:42:13,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 19:42:13,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 19:42:13,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (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 [2019-10-02 19:42:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 19:42:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 19:42:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 19:42:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 19:42:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 19:42:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 19:42:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 19:42:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 19:42:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 19:42:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 19:42:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 19:42:16,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 19:42:16,025 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 19:42:16,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:42:16 BoogieIcfgContainer [2019-10-02 19:42:16,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 19:42:16,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 19:42:16,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 19:42:16,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 19:42:16,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 07:42:12" (1/3) ... [2019-10-02 19:42:16,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7913078c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:42:16, skipping insertion in model container [2019-10-02 19:42:16,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:42:13" (2/3) ... [2019-10-02 19:42:16,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7913078c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:42:16, skipping insertion in model container [2019-10-02 19:42:16,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:42:16" (3/3) ... [2019-10-02 19:42:16,037 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2019-10-02 19:42:16,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 19:42:16,061 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 19:42:16,079 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 19:42:16,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 19:42:16,117 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 19:42:16,117 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 19:42:16,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 19:42:16,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 19:42:16,118 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 19:42:16,118 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 19:42:16,118 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 19:42:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2019-10-02 19:42:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-02 19:42:16,172 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 19:42:16,173 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 19:42:16,175 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 19:42:16,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:42:16,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1647483275, now seen corresponding path program 1 times [2019-10-02 19:42:16,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 19:42:16,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:16,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 19:42:16,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:16,261 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 19:42:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 19:42:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 19:42:16,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 19:42:16,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 19:42:16,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 19:42:16,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 19:42:16,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 19:42:16,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 19:42:16,598 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2019-10-02 19:42:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 19:42:18,694 INFO L93 Difference]: Finished difference Result 706 states and 965 transitions. [2019-10-02 19:42:18,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 19:42:18,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-10-02 19:42:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 19:42:18,745 INFO L225 Difference]: With dead ends: 706 [2019-10-02 19:42:18,745 INFO L226 Difference]: Without dead ends: 618 [2019-10-02 19:42:18,751 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 19:42:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2019-10-02 19:42:18,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 419. [2019-10-02 19:42:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-02 19:42:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 604 transitions. [2019-10-02 19:42:18,866 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 604 transitions. Word has length 48 [2019-10-02 19:42:18,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 19:42:18,866 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 604 transitions. [2019-10-02 19:42:18,867 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 19:42:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 604 transitions. [2019-10-02 19:42:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-02 19:42:18,873 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 19:42:18,873 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 19:42:18,873 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 19:42:18,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:42:18,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2032953802, now seen corresponding path program 1 times [2019-10-02 19:42:18,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 19:42:18,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:18,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 19:42:18,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:18,876 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 19:42:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 19:42:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 19:42:19,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 19:42:19,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 19:42:19,141 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 19:42:19,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 19:42:19,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 19:42:19,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 19:42:19,144 INFO L87 Difference]: Start difference. First operand 419 states and 604 transitions. Second operand 6 states. [2019-10-02 19:42:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 19:42:20,752 INFO L93 Difference]: Finished difference Result 823 states and 1189 transitions. [2019-10-02 19:42:20,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 19:42:20,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2019-10-02 19:42:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 19:42:20,760 INFO L225 Difference]: With dead ends: 823 [2019-10-02 19:42:20,760 INFO L226 Difference]: Without dead ends: 823 [2019-10-02 19:42:20,761 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 19:42:20,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2019-10-02 19:42:20,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 808. [2019-10-02 19:42:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2019-10-02 19:42:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1155 transitions. [2019-10-02 19:42:20,798 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1155 transitions. Word has length 120 [2019-10-02 19:42:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 19:42:20,799 INFO L475 AbstractCegarLoop]: Abstraction has 808 states and 1155 transitions. [2019-10-02 19:42:20,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 19:42:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1155 transitions. [2019-10-02 19:42:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-02 19:42:20,804 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 19:42:20,805 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 19:42:20,805 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 19:42:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:42:20,805 INFO L82 PathProgramCache]: Analyzing trace with hash 664653149, now seen corresponding path program 1 times [2019-10-02 19:42:20,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 19:42:20,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:20,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 19:42:20,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:20,807 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 19:42:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 19:42:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 19:42:20,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 19:42:20,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 19:42:20,901 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 19:42:20,902 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 19:42:20,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 19:42:20,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 19:42:20,902 INFO L87 Difference]: Start difference. First operand 808 states and 1155 transitions. Second operand 4 states. [2019-10-02 19:42:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 19:42:22,643 INFO L93 Difference]: Finished difference Result 1588 states and 2202 transitions. [2019-10-02 19:42:22,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 19:42:22,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-10-02 19:42:22,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 19:42:22,653 INFO L225 Difference]: With dead ends: 1588 [2019-10-02 19:42:22,653 INFO L226 Difference]: Without dead ends: 1588 [2019-10-02 19:42:22,654 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 19:42:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2019-10-02 19:42:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1382. [2019-10-02 19:42:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2019-10-02 19:42:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1925 transitions. [2019-10-02 19:42:22,694 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1925 transitions. Word has length 121 [2019-10-02 19:42:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 19:42:22,695 INFO L475 AbstractCegarLoop]: Abstraction has 1382 states and 1925 transitions. [2019-10-02 19:42:22,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 19:42:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1925 transitions. [2019-10-02 19:42:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-02 19:42:22,698 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 19:42:22,698 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 19:42:22,699 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 19:42:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:42:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1062949639, now seen corresponding path program 1 times [2019-10-02 19:42:22,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 19:42:22,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:22,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 19:42:22,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:22,701 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 19:42:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 19:42:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 19:42:22,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 19:42:22,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 19:42:22,791 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 19:42:22,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 19:42:22,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 19:42:22,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 19:42:22,793 INFO L87 Difference]: Start difference. First operand 1382 states and 1925 transitions. Second operand 5 states. [2019-10-02 19:42:24,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 19:42:24,487 INFO L93 Difference]: Finished difference Result 2612 states and 3600 transitions. [2019-10-02 19:42:24,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 19:42:24,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2019-10-02 19:42:24,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 19:42:24,509 INFO L225 Difference]: With dead ends: 2612 [2019-10-02 19:42:24,509 INFO L226 Difference]: Without dead ends: 2612 [2019-10-02 19:42:24,510 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 19:42:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2019-10-02 19:42:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2572. [2019-10-02 19:42:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2572 states. [2019-10-02 19:42:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 3448 transitions. [2019-10-02 19:42:24,619 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 3448 transitions. Word has length 123 [2019-10-02 19:42:24,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 19:42:24,620 INFO L475 AbstractCegarLoop]: Abstraction has 2572 states and 3448 transitions. [2019-10-02 19:42:24,620 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 19:42:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3448 transitions. [2019-10-02 19:42:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-02 19:42:24,624 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 19:42:24,624 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 19:42:24,625 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 19:42:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:42:24,625 INFO L82 PathProgramCache]: Analyzing trace with hash 669937364, now seen corresponding path program 1 times [2019-10-02 19:42:24,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 19:42:24,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:24,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 19:42:24,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 19:42:24,627 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 19:42:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 19:42:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 19:42:24,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 19:42:24,946 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 19:42:24,947 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2019-10-02 19:42:24,949 INFO L207 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2019-10-02 19:42:25,003 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 19:42:25,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 19:46:02,167 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-02 19:48:44,122 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 19:48:44,125 INFO L272 AbstractInterpreter]: Visited 138 different actions 271 times. Merged at 4 different actions 5 times. Never widened. Performed 651 root evaluator evaluations with a maximum evaluation depth of 17. Performed 651 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2019-10-02 19:48:44,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 19:48:44,130 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 19:51:01,301 INFO L227 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 73.62% of their original sizes. [2019-10-02 19:51:01,301 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 19:51:01,428 INFO L420 sIntCurrentIteration]: We unified 178 AI predicates to 178 [2019-10-02 19:51:01,429 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 19:51:01,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 19:51:01,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 19 [2019-10-02 19:51:01,430 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 19:51:01,431 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 19:51:01,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 19:51:01,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2019-10-02 19:51:01,432 INFO L87 Difference]: Start difference. First operand 2572 states and 3448 transitions. Second operand 13 states.