./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem11_label12_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem11_label12_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95b059e8d84b7a6b2ea49ab2be6a4d2687ed1176 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 03:37:30,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 03:37:30,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 03:37:30,109 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 03:37:30,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 03:37:30,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 03:37:30,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 03:37:30,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 03:37:30,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 03:37:30,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 03:37:30,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 03:37:30,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 03:37:30,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 03:37:30,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 03:37:30,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 03:37:30,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 03:37:30,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 03:37:30,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 03:37:30,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 03:37:30,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 03:37:30,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 03:37:30,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 03:37:30,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 03:37:30,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 03:37:30,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 03:37:30,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 03:37:30,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 03:37:30,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 03:37:30,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 03:37:30,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 03:37:30,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 03:37:30,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 03:37:30,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 03:37:30,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 03:37:30,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 03:37:30,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 03:37:30,145 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 03:37:30,162 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 03:37:30,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 03:37:30,163 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 03:37:30,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 03:37:30,164 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 03:37:30,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 03:37:30,165 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 03:37:30,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 03:37:30,165 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 03:37:30,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 03:37:30,165 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 03:37:30,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 03:37:30,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 03:37:30,167 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 03:37:30,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 03:37:30,167 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 03:37:30,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 03:37:30,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 03:37:30,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 03:37:30,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 03:37:30,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 03:37:30,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 03:37:30,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 03:37:30,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95b059e8d84b7a6b2ea49ab2be6a4d2687ed1176 [2019-01-12 03:37:30,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 03:37:30,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 03:37:30,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 03:37:30,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 03:37:30,253 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 03:37:30,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem11_label12_true-unreach-call.c [2019-01-12 03:37:30,329 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b85dbbb2/eb384962f41f48cfbbf4546d1329d1b7/FLAGfd309f4a2 [2019-01-12 03:37:30,989 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 03:37:30,992 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem11_label12_true-unreach-call.c [2019-01-12 03:37:31,012 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b85dbbb2/eb384962f41f48cfbbf4546d1329d1b7/FLAGfd309f4a2 [2019-01-12 03:37:31,121 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b85dbbb2/eb384962f41f48cfbbf4546d1329d1b7 [2019-01-12 03:37:31,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 03:37:31,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 03:37:31,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 03:37:31,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 03:37:31,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 03:37:31,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 03:37:31" (1/1) ... [2019-01-12 03:37:31,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8ae22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:31, skipping insertion in model container [2019-01-12 03:37:31,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 03:37:31" (1/1) ... [2019-01-12 03:37:31,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 03:37:31,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 03:37:31,883 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 03:37:31,889 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 03:37:32,030 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 03:37:32,049 INFO L195 MainTranslator]: Completed translation [2019-01-12 03:37:32,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32 WrapperNode [2019-01-12 03:37:32,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 03:37:32,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 03:37:32,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 03:37:32,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 03:37:32,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 03:37:32,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 03:37:32,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 03:37:32,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 03:37:32,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... [2019-01-12 03:37:32,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 03:37:32,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 03:37:32,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 03:37:32,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 03:37:32,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 03:37:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 03:37:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 03:37:36,500 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 03:37:36,501 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 03:37:36,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 03:37:36 BoogieIcfgContainer [2019-01-12 03:37:36,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 03:37:36,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 03:37:36,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 03:37:36,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 03:37:36,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 03:37:31" (1/3) ... [2019-01-12 03:37:36,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ab8234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 03:37:36, skipping insertion in model container [2019-01-12 03:37:36,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 03:37:32" (2/3) ... [2019-01-12 03:37:36,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ab8234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 03:37:36, skipping insertion in model container [2019-01-12 03:37:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 03:37:36" (3/3) ... [2019-01-12 03:37:36,512 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label12_true-unreach-call.c [2019-01-12 03:37:36,523 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 03:37:36,533 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 03:37:36,552 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 03:37:36,589 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 03:37:36,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 03:37:36,591 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 03:37:36,591 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 03:37:36,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 03:37:36,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 03:37:36,591 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 03:37:36,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 03:37:36,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 03:37:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-01-12 03:37:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 03:37:36,626 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:36,627 INFO L402 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] [2019-01-12 03:37:36,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:36,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:36,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1225036359, now seen corresponding path program 1 times [2019-01-12 03:37:36,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:36,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:36,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:36,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:36,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 03:37:37,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:37,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 03:37:37,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:37:37,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:37:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:37,086 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-01-12 03:37:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:40,690 INFO L93 Difference]: Finished difference Result 966 states and 1746 transitions. [2019-01-12 03:37:40,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:37:40,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-12 03:37:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:40,720 INFO L225 Difference]: With dead ends: 966 [2019-01-12 03:37:40,720 INFO L226 Difference]: Without dead ends: 616 [2019-01-12 03:37:40,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:40,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-01-12 03:37:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 600. [2019-01-12 03:37:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-01-12 03:37:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 910 transitions. [2019-01-12 03:37:40,818 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 910 transitions. Word has length 25 [2019-01-12 03:37:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:40,819 INFO L480 AbstractCegarLoop]: Abstraction has 600 states and 910 transitions. [2019-01-12 03:37:40,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:37:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 910 transitions. [2019-01-12 03:37:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-01-12 03:37:40,823 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:40,823 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-12 03:37:40,824 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:40,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:40,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2023606139, now seen corresponding path program 1 times [2019-01-12 03:37:40,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:40,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:40,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:40,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:40,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 03:37:41,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:41,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 03:37:41,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:37:41,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:37:41,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:41,130 INFO L87 Difference]: Start difference. First operand 600 states and 910 transitions. Second operand 4 states. [2019-01-12 03:37:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:44,269 INFO L93 Difference]: Finished difference Result 2309 states and 3522 transitions. [2019-01-12 03:37:44,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:37:44,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2019-01-12 03:37:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:44,289 INFO L225 Difference]: With dead ends: 2309 [2019-01-12 03:37:44,290 INFO L226 Difference]: Without dead ends: 1711 [2019-01-12 03:37:44,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2019-01-12 03:37:44,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1343. [2019-01-12 03:37:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1343 states. [2019-01-12 03:37:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1799 transitions. [2019-01-12 03:37:44,485 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1799 transitions. Word has length 96 [2019-01-12 03:37:44,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:44,486 INFO L480 AbstractCegarLoop]: Abstraction has 1343 states and 1799 transitions. [2019-01-12 03:37:44,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:37:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1799 transitions. [2019-01-12 03:37:44,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-01-12 03:37:44,503 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:44,503 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-12 03:37:44,503 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:44,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:44,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1719947240, now seen corresponding path program 1 times [2019-01-12 03:37:44,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:44,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:44,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:44,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:44,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 03:37:44,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:44,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 03:37:44,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:37:44,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:37:44,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:44,895 INFO L87 Difference]: Start difference. First operand 1343 states and 1799 transitions. Second operand 4 states. [2019-01-12 03:37:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:47,525 INFO L93 Difference]: Finished difference Result 4720 states and 6447 transitions. [2019-01-12 03:37:47,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:37:47,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2019-01-12 03:37:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:47,545 INFO L225 Difference]: With dead ends: 4720 [2019-01-12 03:37:47,545 INFO L226 Difference]: Without dead ends: 3379 [2019-01-12 03:37:47,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:47,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2019-01-12 03:37:47,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2263. [2019-01-12 03:37:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2019-01-12 03:37:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2832 transitions. [2019-01-12 03:37:47,608 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2832 transitions. Word has length 109 [2019-01-12 03:37:47,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:47,609 INFO L480 AbstractCegarLoop]: Abstraction has 2263 states and 2832 transitions. [2019-01-12 03:37:47,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:37:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2832 transitions. [2019-01-12 03:37:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-01-12 03:37:47,612 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:47,612 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 03:37:47,613 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:47,614 INFO L82 PathProgramCache]: Analyzing trace with hash 215435237, now seen corresponding path program 1 times [2019-01-12 03:37:47,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:47,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:47,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:47,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:47,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 03:37:47,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:47,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 03:37:47,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:37:47,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:37:47,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:47,820 INFO L87 Difference]: Start difference. First operand 2263 states and 2832 transitions. Second operand 4 states. [2019-01-12 03:37:49,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:49,481 INFO L93 Difference]: Finished difference Result 6570 states and 8544 transitions. [2019-01-12 03:37:49,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:37:49,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2019-01-12 03:37:49,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:49,505 INFO L225 Difference]: With dead ends: 6570 [2019-01-12 03:37:49,505 INFO L226 Difference]: Without dead ends: 4493 [2019-01-12 03:37:49,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4493 states. [2019-01-12 03:37:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4493 to 3364. [2019-01-12 03:37:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3364 states. [2019-01-12 03:37:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 4176 transitions. [2019-01-12 03:37:49,589 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 4176 transitions. Word has length 152 [2019-01-12 03:37:49,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:49,590 INFO L480 AbstractCegarLoop]: Abstraction has 3364 states and 4176 transitions. [2019-01-12 03:37:49,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:37:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 4176 transitions. [2019-01-12 03:37:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-01-12 03:37:49,599 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:49,599 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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] [2019-01-12 03:37:49,600 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:49,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:49,600 INFO L82 PathProgramCache]: Analyzing trace with hash -636832273, now seen corresponding path program 1 times [2019-01-12 03:37:49,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:49,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:49,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:49,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:49,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 03:37:50,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:50,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 03:37:50,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:37:50,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:37:50,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:50,161 INFO L87 Difference]: Start difference. First operand 3364 states and 4176 transitions. Second operand 4 states. [2019-01-12 03:37:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:54,932 INFO L93 Difference]: Finished difference Result 8394 states and 10489 transitions. [2019-01-12 03:37:54,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:37:54,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 295 [2019-01-12 03:37:54,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:54,958 INFO L225 Difference]: With dead ends: 8394 [2019-01-12 03:37:54,958 INFO L226 Difference]: Without dead ends: 5216 [2019-01-12 03:37:54,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:37:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2019-01-12 03:37:55,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 5020. [2019-01-12 03:37:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5020 states. [2019-01-12 03:37:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 5020 states and 6042 transitions. [2019-01-12 03:37:55,135 INFO L78 Accepts]: Start accepts. Automaton has 5020 states and 6042 transitions. Word has length 295 [2019-01-12 03:37:55,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:55,136 INFO L480 AbstractCegarLoop]: Abstraction has 5020 states and 6042 transitions. [2019-01-12 03:37:55,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:37:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 5020 states and 6042 transitions. [2019-01-12 03:37:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-01-12 03:37:55,155 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:55,156 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 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, 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] [2019-01-12 03:37:55,156 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:55,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1376935126, now seen corresponding path program 1 times [2019-01-12 03:37:55,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:55,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:55,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-01-12 03:37:55,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:55,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 03:37:55,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 03:37:55,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 03:37:55,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 03:37:55,639 INFO L87 Difference]: Start difference. First operand 5020 states and 6042 transitions. Second operand 3 states. [2019-01-12 03:37:57,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:37:57,524 INFO L93 Difference]: Finished difference Result 12065 states and 14693 transitions. [2019-01-12 03:37:57,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 03:37:57,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-01-12 03:37:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:37:57,555 INFO L225 Difference]: With dead ends: 12065 [2019-01-12 03:37:57,556 INFO L226 Difference]: Without dead ends: 7231 [2019-01-12 03:37:57,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 03:37:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7231 states. [2019-01-12 03:37:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7231 to 7044. [2019-01-12 03:37:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7044 states. [2019-01-12 03:37:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7044 states to 7044 states and 8486 transitions. [2019-01-12 03:37:57,704 INFO L78 Accepts]: Start accepts. Automaton has 7044 states and 8486 transitions. Word has length 387 [2019-01-12 03:37:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:37:57,705 INFO L480 AbstractCegarLoop]: Abstraction has 7044 states and 8486 transitions. [2019-01-12 03:37:57,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 03:37:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 7044 states and 8486 transitions. [2019-01-12 03:37:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-01-12 03:37:57,727 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:37:57,727 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-01-12 03:37:57,728 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:37:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:37:57,728 INFO L82 PathProgramCache]: Analyzing trace with hash -747681725, now seen corresponding path program 1 times [2019-01-12 03:37:57,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:37:57,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:37:57,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:57,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:37:57,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:37:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:37:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-01-12 03:37:58,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:37:58,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 03:37:58,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 03:37:58,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 03:37:58,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 03:37:58,356 INFO L87 Difference]: Start difference. First operand 7044 states and 8486 transitions. Second operand 3 states. [2019-01-12 03:38:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:38:00,043 INFO L93 Difference]: Finished difference Result 13717 states and 16589 transitions. [2019-01-12 03:38:00,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 03:38:00,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 452 [2019-01-12 03:38:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:38:00,074 INFO L225 Difference]: With dead ends: 13717 [2019-01-12 03:38:00,074 INFO L226 Difference]: Without dead ends: 6859 [2019-01-12 03:38:00,086 INFO L631 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 [2019-01-12 03:38:00,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2019-01-12 03:38:00,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 6491. [2019-01-12 03:38:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6491 states. [2019-01-12 03:38:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6491 states to 6491 states and 7596 transitions. [2019-01-12 03:38:00,219 INFO L78 Accepts]: Start accepts. Automaton has 6491 states and 7596 transitions. Word has length 452 [2019-01-12 03:38:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:38:00,220 INFO L480 AbstractCegarLoop]: Abstraction has 6491 states and 7596 transitions. [2019-01-12 03:38:00,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 03:38:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 6491 states and 7596 transitions. [2019-01-12 03:38:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2019-01-12 03:38:00,245 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 03:38:00,246 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 03:38:00,246 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 03:38:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 03:38:00,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1444494853, now seen corresponding path program 1 times [2019-01-12 03:38:00,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 03:38:00,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 03:38:00,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:38:00,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 03:38:00,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 03:38:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 03:38:00,771 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2019-01-12 03:38:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2019-01-12 03:38:01,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 03:38:01,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 03:38:01,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 03:38:01,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 03:38:01,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:38:01,046 INFO L87 Difference]: Start difference. First operand 6491 states and 7596 transitions. Second operand 4 states. [2019-01-12 03:38:03,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 03:38:03,137 INFO L93 Difference]: Finished difference Result 14280 states and 16868 transitions. [2019-01-12 03:38:03,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 03:38:03,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 532 [2019-01-12 03:38:03,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 03:38:03,139 INFO L225 Difference]: With dead ends: 14280 [2019-01-12 03:38:03,139 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 03:38:03,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 03:38:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 03:38:03,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 03:38:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 03:38:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 03:38:03,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 532 [2019-01-12 03:38:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 03:38:03,150 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 03:38:03,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 03:38:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 03:38:03,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 03:38:03,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 03:38:03,510 WARN L181 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-01-12 03:38:03,675 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-01-12 03:38:03,678 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-01-12 03:38:03,678 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-01-12 03:38:03,678 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-01-12 03:38:03,679 INFO L451 ceAbstractionStarter]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-01-12 03:38:03,679 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,679 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,679 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,679 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,679 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,680 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-01-12 03:38:03,681 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,682 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 12)))) (or (and .cse0 (<= ~a29~0 277)) (<= ~a29~0 140) (not (= ~a4~0 1)) (< 138 ~a23~0) (and (not (= ~a25~0 13)) .cse0))) [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,684 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,685 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-01-12 03:38:03,686 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2019-01-12 03:38:03,687 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-01-12 03:38:03,687 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,692 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,692 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,692 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,692 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,692 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,693 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,694 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,697 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-01-12 03:38:03,698 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-01-12 03:38:03,699 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,700 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-01-12 03:38:03,705 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,706 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,707 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,708 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,708 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-01-12 03:38:03,711 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-01-12 03:38:03,712 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-01-12 03:38:03,713 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2019-01-12 03:38:03,714 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,714 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,719 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,720 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,721 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,722 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,724 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,725 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,726 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-01-12 03:38:03,727 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,727 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,732 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,732 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,732 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,732 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,734 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,735 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,736 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,737 INFO L444 ceAbstractionStarter]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 12)))) (or (and .cse0 (<= ~a29~0 277)) (<= ~a29~0 140) (not (= ~a4~0 1)) (< 138 ~a23~0) (and (not (= ~a25~0 13)) .cse0))) [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,742 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,743 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-01-12 03:38:03,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 03:38:03 BoogieIcfgContainer [2019-01-12 03:38:03,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 03:38:03,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 03:38:03,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 03:38:03,794 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 03:38:03,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 03:37:36" (3/4) ... [2019-01-12 03:38:03,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 03:38:03,853 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 03:38:03,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 03:38:04,055 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 03:38:04,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 03:38:04,057 INFO L168 Benchmark]: Toolchain (without parser) took 32930.73 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 635.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 518.8 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,058 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 03:38:04,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 923.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 892.3 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 282.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 892.3 MB in the beginning and 1.1 GB in the end (delta: -218.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,059 INFO L168 Benchmark]: Boogie Preprocessor took 157.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,059 INFO L168 Benchmark]: RCFGBuilder took 4010.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.7 MB in the end (delta: 163.5 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,060 INFO L168 Benchmark]: TraceAbstraction took 27289.05 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 494.9 MB). Free memory was 933.7 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,062 INFO L168 Benchmark]: Witness Printer took 262.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2019-01-12 03:38:04,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 923.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 892.3 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 282.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 892.3 MB in the beginning and 1.1 GB in the end (delta: -218.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 157.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4010.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.7 MB in the end (delta: 163.5 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27289.05 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 494.9 MB). Free memory was 933.7 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. * Witness Printer took 262.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((!(a25 == 12) && a29 <= 277) || a29 <= 140) || !(a4 == 1)) || 138 < a23) || (!(a25 == 13) && !(a25 == 12)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((!(a25 == 12) && a29 <= 277) || a29 <= 140) || !(a4 == 1)) || 138 < a23) || (!(a25 == 13) && !(a25 == 12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. SAFE Result, 27.1s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 21.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1080 SDtfs, 2317 SDslu, 308 SDs, 0 SdLazy, 7385 SolverSat, 1745 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7044occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 3380 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 92 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2244 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2040 ConstructedInterpolants, 0 QuantifiedInterpolants, 1354695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 1988/1988 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...