/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:48:22,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:48:22,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:48:22,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 22:48:22,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:48:22,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:48:22,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:48:22,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:48:22,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:48:22,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:48:22,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:48:22,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:48:22,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:48:22,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:48:22,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:48:22,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:48:22,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 22:48:22,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:48:22,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:48:22,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:48:22,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 22:48:22,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:48:22,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:48:22,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:48:22,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:48:22,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:48:22,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:48:22,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:48:22,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:48:22,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:48:22,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:48:22,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:48:22,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:48:22,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:48:22,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:48:22,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:48:22,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:48:22,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:48:22,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:48:22,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:48:22,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:48:22,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:48:22,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:48:22,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:48:22,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:48:22,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:48:22,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:48:22,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:48:22,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:48:22,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 22:48:22,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:48:22,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:48:22,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:48:22,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:48:22,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:48:22,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label18.c [2019-11-06 22:48:22,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b843a5c66/a1cc90852dd4450d8fdf355ec243a4f1/FLAG7f159499f [2019-11-06 22:48:23,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:48:23,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label18.c [2019-11-06 22:48:23,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b843a5c66/a1cc90852dd4450d8fdf355ec243a4f1/FLAG7f159499f [2019-11-06 22:48:23,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b843a5c66/a1cc90852dd4450d8fdf355ec243a4f1 [2019-11-06 22:48:23,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:48:23,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:48:23,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:48:23,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:48:23,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:48:23,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:23" (1/1) ... [2019-11-06 22:48:23,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cdd2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:23, skipping insertion in model container [2019-11-06 22:48:23,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:23" (1/1) ... [2019-11-06 22:48:23,453 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:48:23,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:48:25,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:48:25,094 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:48:25,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:48:25,691 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:48:25,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25 WrapperNode [2019-11-06 22:48:25,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:48:25,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:48:25,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:48:25,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:48:25,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (1/1) ... [2019-11-06 22:48:25,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:48:25,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:48:25,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:48:25,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:48:25,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (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 [2019-11-06 22:48:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:48:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:48:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 22:48:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-06 22:48:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-06 22:48:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-06 22:48:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:48:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 22:48:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-06 22:48:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-06 22:48:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-06 22:48:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:48:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:48:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 22:48:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:48:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:48:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:48:30,756 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:48:30,756 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 22:48:30,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:30 BoogieIcfgContainer [2019-11-06 22:48:30,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:48:30,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:48:30,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:48:30,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:48:30,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:48:23" (1/3) ... [2019-11-06 22:48:30,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf58280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:30, skipping insertion in model container [2019-11-06 22:48:30,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:25" (2/3) ... [2019-11-06 22:48:30,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf58280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:30, skipping insertion in model container [2019-11-06 22:48:30,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:30" (3/3) ... [2019-11-06 22:48:30,778 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem12_label18.c [2019-11-06 22:48:30,789 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:48:30,800 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:48:30,812 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:48:30,855 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:48:30,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:48:30,856 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:48:30,856 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:48:30,856 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:48:30,856 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:48:30,856 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:48:30,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:48:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states. [2019-11-06 22:48:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-06 22:48:30,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:48:30,911 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:48:30,913 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:48:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:48:30,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1489686398, now seen corresponding path program 1 times [2019-11-06 22:48:30,929 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:48:30,930 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231455753] [2019-11-06 22:48:30,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:48:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:48:31,298 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231455753] [2019-11-06 22:48:31,299 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:48:31,299 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:48:31,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483047487] [2019-11-06 22:48:31,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:48:31,309 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:48:31,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:48:31,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:48:31,327 INFO L87 Difference]: Start difference. First operand 839 states. Second operand 3 states. [2019-11-06 22:48:36,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:48:36,482 INFO L93 Difference]: Finished difference Result 2443 states and 4697 transitions. [2019-11-06 22:48:36,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:48:36,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-11-06 22:48:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:48:36,527 INFO L225 Difference]: With dead ends: 2443 [2019-11-06 22:48:36,528 INFO L226 Difference]: Without dead ends: 1542 [2019-11-06 22:48:36,538 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:48:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2019-11-06 22:48:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2019-11-06 22:48:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1542 states. [2019-11-06 22:48:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2822 transitions. [2019-11-06 22:48:36,693 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2822 transitions. Word has length 59 [2019-11-06 22:48:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:48:36,694 INFO L462 AbstractCegarLoop]: Abstraction has 1542 states and 2822 transitions. [2019-11-06 22:48:36,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:48:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2822 transitions. [2019-11-06 22:48:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-06 22:48:36,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:48:36,704 INFO L410 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, 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] [2019-11-06 22:48:36,704 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:48:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:48:36,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1403229591, now seen corresponding path program 1 times [2019-11-06 22:48:36,705 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:48:36,705 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658549638] [2019-11-06 22:48:36,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:48:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:48:36,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658549638] [2019-11-06 22:48:36,942 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:48:36,942 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 22:48:36,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950515167] [2019-11-06 22:48:36,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 22:48:36,945 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:48:36,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 22:48:36,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:48:36,947 INFO L87 Difference]: Start difference. First operand 1542 states and 2822 transitions. Second operand 5 states. [2019-11-06 22:48:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:48:43,580 INFO L93 Difference]: Finished difference Result 3912 states and 7104 transitions. [2019-11-06 22:48:43,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 22:48:43,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2019-11-06 22:48:43,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:48:43,601 INFO L225 Difference]: With dead ends: 3912 [2019-11-06 22:48:43,601 INFO L226 Difference]: Without dead ends: 2376 [2019-11-06 22:48:43,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:48:43,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2019-11-06 22:48:43,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2350. [2019-11-06 22:48:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2350 states. [2019-11-06 22:48:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3968 transitions. [2019-11-06 22:48:43,695 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3968 transitions. Word has length 132 [2019-11-06 22:48:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:48:43,696 INFO L462 AbstractCegarLoop]: Abstraction has 2350 states and 3968 transitions. [2019-11-06 22:48:43,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 22:48:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3968 transitions. [2019-11-06 22:48:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-06 22:48:43,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:48:43,699 INFO L410 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, 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] [2019-11-06 22:48:43,699 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:48:43,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:48:43,700 INFO L82 PathProgramCache]: Analyzing trace with hash -612385541, now seen corresponding path program 1 times [2019-11-06 22:48:43,700 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:48:43,700 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134815755] [2019-11-06 22:48:43,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:48:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:48:43,901 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134815755] [2019-11-06 22:48:43,902 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:48:43,902 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 22:48:43,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184283515] [2019-11-06 22:48:43,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 22:48:43,905 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:48:43,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:48:43,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-06 22:48:43,906 INFO L87 Difference]: Start difference. First operand 2350 states and 3968 transitions. Second operand 4 states. [2019-11-06 22:48:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:48:51,308 INFO L93 Difference]: Finished difference Result 9360 states and 16173 transitions. [2019-11-06 22:48:51,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 22:48:51,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-06 22:48:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:48:51,354 INFO L225 Difference]: With dead ends: 9360 [2019-11-06 22:48:51,354 INFO L226 Difference]: Without dead ends: 7016 [2019-11-06 22:48:51,362 INFO L630 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 [2019-11-06 22:48:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7016 states. [2019-11-06 22:48:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7016 to 7016. [2019-11-06 22:48:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7016 states. [2019-11-06 22:48:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 11462 transitions. [2019-11-06 22:48:51,574 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 11462 transitions. Word has length 134 [2019-11-06 22:48:51,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:48:51,576 INFO L462 AbstractCegarLoop]: Abstraction has 7016 states and 11462 transitions. [2019-11-06 22:48:51,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 22:48:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 11462 transitions. [2019-11-06 22:48:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-06 22:48:51,582 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:48:51,583 INFO L410 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, 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] [2019-11-06 22:48:51,583 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:48:51,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:48:51,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1718729302, now seen corresponding path program 1 times [2019-11-06 22:48:51,584 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:48:51,584 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863076110] [2019-11-06 22:48:51,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:48:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:48:51,868 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863076110] [2019-11-06 22:48:51,868 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:48:51,868 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 22:48:51,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724870115] [2019-11-06 22:48:51,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 22:48:51,871 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:48:51,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 22:48:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-06 22:48:51,872 INFO L87 Difference]: Start difference. First operand 7016 states and 11462 transitions. Second operand 6 states. [2019-11-06 22:48:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:48:57,573 INFO L93 Difference]: Finished difference Result 16490 states and 27176 transitions. [2019-11-06 22:48:57,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 22:48:57,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2019-11-06 22:48:57,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:48:57,615 INFO L225 Difference]: With dead ends: 16490 [2019-11-06 22:48:57,615 INFO L226 Difference]: Without dead ends: 9480 [2019-11-06 22:48:57,631 INFO L630 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 [2019-11-06 22:48:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9480 states. [2019-11-06 22:48:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9480 to 9441. [2019-11-06 22:48:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2019-11-06 22:48:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 14632 transitions. [2019-11-06 22:48:57,841 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 14632 transitions. Word has length 161 [2019-11-06 22:48:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:48:57,841 INFO L462 AbstractCegarLoop]: Abstraction has 9441 states and 14632 transitions. [2019-11-06 22:48:57,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 22:48:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 14632 transitions. [2019-11-06 22:48:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-06 22:48:57,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:48:57,848 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 22:48:57,848 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:48:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:48:57,849 INFO L82 PathProgramCache]: Analyzing trace with hash 531542558, now seen corresponding path program 1 times [2019-11-06 22:48:57,849 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:48:57,849 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507586868] [2019-11-06 22:48:57,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:48:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 104 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 22:48:58,053 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507586868] [2019-11-06 22:48:58,053 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205168855] [2019-11-06 22:48:58,054 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 [2019-11-06 22:48:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:48:58,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 22:48:58,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:48:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-06 22:48:58,361 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 22:48:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 104 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 22:48:58,551 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-06 22:48:58,551 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 12 [2019-11-06 22:48:58,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778164486] [2019-11-06 22:48:58,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 22:48:58,552 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:48:58,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 22:48:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:48:58,554 INFO L87 Difference]: Start difference. First operand 9441 states and 14632 transitions. Second operand 5 states.