./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.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/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.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 44f1ef45a377efa065428e9ab52d4697ba35b901 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:54:00,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:54:00,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:54:00,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:54:00,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:54:00,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:54:00,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:54:00,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:54:00,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:54:00,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:54:00,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:54:00,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:54:00,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:54:00,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:54:00,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:54:00,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:54:00,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:54:00,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:54:00,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:54:00,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:54:00,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:54:00,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:54:00,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:54:00,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:54:00,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:54:00,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:54:00,462 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:54:00,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:54:00,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:54:00,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:54:00,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:54:00,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:54:00,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:54:00,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:54:00,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:54:00,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:54:00,469 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:54:00,485 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:54:00,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:54:00,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:54:00,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:54:00,487 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:54:00,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:54:00,488 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:54:00,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:54:00,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:54:00,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:54:00,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:54:00,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:54:00,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:54:00,489 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:54:00,490 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:54:00,490 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:54:00,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:54:00,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:54:00,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:54:00,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:54:00,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:54:00,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:00,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:54:00,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:54:00,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:54:00,492 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:54:00,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:54:00,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:54:00,492 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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-01-12 14:54:00,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:54:00,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:54:00,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:54:00,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:54:00,565 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:54:00,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:00,634 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b3b0274/3d23e96bfd944d74813d7cebf0778b41/FLAG001c130d8 [2019-01-12 14:54:01,096 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:54:01,096 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:01,117 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b3b0274/3d23e96bfd944d74813d7cebf0778b41/FLAG001c130d8 [2019-01-12 14:54:01,432 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b3b0274/3d23e96bfd944d74813d7cebf0778b41 [2019-01-12 14:54:01,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:54:01,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:54:01,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:01,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:54:01,445 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:54:01,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:01" (1/1) ... [2019-01-12 14:54:01,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17252cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:01, skipping insertion in model container [2019-01-12 14:54:01,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:01" (1/1) ... [2019-01-12 14:54:01,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:54:01,524 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:54:01,889 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:01,915 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:54:02,042 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:02,082 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:54:02,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02 WrapperNode [2019-01-12 14:54:02,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:02,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:02,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:54:02,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:54:02,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:02,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:54:02,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:54:02,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:54:02,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (1/1) ... [2019-01-12 14:54:02,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:54:02,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:54:02,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:54:02,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:54:02,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (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 14:54:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:54:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:54:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:54:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:54:03,517 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:54:03,518 INFO L286 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-12 14:54:03,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:03 BoogieIcfgContainer [2019-01-12 14:54:03,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:54:03,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:54:03,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:54:03,523 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:54:03,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:54:01" (1/3) ... [2019-01-12 14:54:03,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ab8cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:03, skipping insertion in model container [2019-01-12 14:54:03,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:02" (2/3) ... [2019-01-12 14:54:03,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ab8cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:03, skipping insertion in model container [2019-01-12 14:54:03,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:03" (3/3) ... [2019-01-12 14:54:03,527 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:03,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:54:03,547 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:54:03,563 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:54:03,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:54:03,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:54:03,597 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:54:03,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:54:03,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:54:03,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:54:03,598 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:54:03,598 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:54:03,598 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:54:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-01-12 14:54:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:54:03,622 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:03,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:03,625 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:03,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:03,631 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-01-12 14:54:03,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:03,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:03,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:03,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:03,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:03,874 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 14:54:03,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:03,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:03,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:54:03,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:54:03,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:03,896 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-01-12 14:54:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:03,924 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-01-12 14:54:03,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:54:03,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:54:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:03,938 INFO L225 Difference]: With dead ends: 132 [2019-01-12 14:54:03,938 INFO L226 Difference]: Without dead ends: 65 [2019-01-12 14:54:03,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:03,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-12 14:54:03,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-12 14:54:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-12 14:54:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-12 14:54:03,988 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-01-12 14:54:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:03,988 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-12 14:54:03,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:54:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-01-12 14:54:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:54:03,990 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:03,990 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:03,990 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:03,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:03,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-01-12 14:54:03,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:03,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:03,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:03,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:03,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:04,144 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 14:54:04,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:04,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:04,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:04,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:04,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:04,152 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-01-12 14:54:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:04,185 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-01-12 14:54:04,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:04,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:54:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:04,189 INFO L225 Difference]: With dead ends: 65 [2019-01-12 14:54:04,189 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 14:54:04,193 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 14:54:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 14:54:04,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-12 14:54:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-12 14:54:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-01-12 14:54:04,202 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-01-12 14:54:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:04,205 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-01-12 14:54:04,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-01-12 14:54:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:54:04,206 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:04,206 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] [2019-01-12 14:54:04,207 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:04,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-01-12 14:54:04,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:04,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:04,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:04,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:04,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:04,338 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 14:54:04,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:04,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:04,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:04,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:04,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:04,340 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-01-12 14:54:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:04,359 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-01-12 14:54:04,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:04,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-01-12 14:54:04,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:04,360 INFO L225 Difference]: With dead ends: 56 [2019-01-12 14:54:04,361 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 14:54:04,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:04,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 14:54:04,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-12 14:54:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-12 14:54:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-01-12 14:54:04,366 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-01-12 14:54:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:04,367 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-01-12 14:54:04,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-01-12 14:54:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-12 14:54:04,368 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:04,368 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] [2019-01-12 14:54:04,368 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:04,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:04,369 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-01-12 14:54:04,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:04,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:04,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:04,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:04,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:04,485 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 14:54:04,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:04,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:04,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:54:04,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:54:04,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:54:04,487 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2019-01-12 14:54:04,877 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:54:05,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:05,559 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-01-12 14:54:05,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-12 14:54:05,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-12 14:54:05,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:05,566 INFO L225 Difference]: With dead ends: 178 [2019-01-12 14:54:05,567 INFO L226 Difference]: Without dead ends: 153 [2019-01-12 14:54:05,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-01-12 14:54:05,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-01-12 14:54:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 51. [2019-01-12 14:54:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-12 14:54:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2019-01-12 14:54:05,601 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 23 [2019-01-12 14:54:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:05,602 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2019-01-12 14:54:05,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:54:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2019-01-12 14:54:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:54:05,605 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:05,605 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] [2019-01-12 14:54:05,607 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:05,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:05,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2019-01-12 14:54:05,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:05,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:05,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:05,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:05,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:05,757 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 14:54:05,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:05,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:54:05,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:05,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:05,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:05,759 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 5 states. [2019-01-12 14:54:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:06,027 INFO L93 Difference]: Finished difference Result 144 states and 211 transitions. [2019-01-12 14:54:06,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:06,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-12 14:54:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:06,029 INFO L225 Difference]: With dead ends: 144 [2019-01-12 14:54:06,029 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:54:06,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:54:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:54:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:54:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:54:06,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-01-12 14:54:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:06,033 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:54:06,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:54:06,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:54:06,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:54:06,408 WARN L181 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2019-01-12 14:54:06,509 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-12 14:54:06,663 INFO L448 ceAbstractionStarter]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2019-01-12 14:54:06,663 INFO L448 ceAbstractionStarter]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2019-01-12 14:54:06,663 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-01-12 14:54:06,663 INFO L448 ceAbstractionStarter]: For program point L828-2(lines 639 645) no Hoare annotation was computed. [2019-01-12 14:54:06,664 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:54:06,664 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:54:06,664 INFO L448 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:54:06,664 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-01-12 14:54:06,664 INFO L444 ceAbstractionStarter]: At program point L812-1(lines 812 818) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:54:06,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,665 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2019-01-12 14:54:06,665 INFO L451 ceAbstractionStarter]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2019-01-12 14:54:06,665 INFO L444 ceAbstractionStarter]: At program point L732(lines 725 735) the Hoare annotation is: false [2019-01-12 14:54:06,665 INFO L444 ceAbstractionStarter]: At program point L732-1(lines 725 735) the Hoare annotation is: false [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L732-2(lines 725 735) the Hoare annotation is: false [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-01-12 14:54:06,666 INFO L444 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-01-12 14:54:06,667 INFO L444 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-01-12 14:54:06,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:54:06,667 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2019-01-12 14:54:06,667 INFO L444 ceAbstractionStarter]: At program point L802-1(lines 802 808) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,667 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-01-12 14:54:06,667 INFO L444 ceAbstractionStarter]: At program point L869(lines 1 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:06,667 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2019-01-12 14:54:06,668 INFO L448 ceAbstractionStarter]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2019-01-12 14:54:06,668 INFO L448 ceAbstractionStarter]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2019-01-12 14:54:06,668 INFO L444 ceAbstractionStarter]: At program point L589(lines 585 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:06,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,668 INFO L444 ceAbstractionStarter]: At program point L639(lines 638 657) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,668 INFO L448 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-01-12 14:54:06,669 INFO L444 ceAbstractionStarter]: At program point L639-2(lines 638 657) the Hoare annotation is: false [2019-01-12 14:54:06,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:54:06,669 INFO L444 ceAbstractionStarter]: At program point L639-3(lines 638 657) the Hoare annotation is: false [2019-01-12 14:54:06,669 INFO L444 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: false [2019-01-12 14:54:06,669 INFO L444 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: false [2019-01-12 14:54:06,669 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-01-12 14:54:06,670 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2019-01-12 14:54:06,670 INFO L451 ceAbstractionStarter]: At program point L625(lines 606 628) the Hoare annotation is: true [2019-01-12 14:54:06,670 INFO L444 ceAbstractionStarter]: At program point L741(lines 736 744) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,670 INFO L444 ceAbstractionStarter]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2019-01-12 14:54:06,670 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-01-12 14:54:06,671 INFO L444 ceAbstractionStarter]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2019-01-12 14:54:06,671 INFO L448 ceAbstractionStarter]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2019-01-12 14:54:06,671 INFO L448 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2019-01-12 14:54:06,671 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-01-12 14:54:06,671 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2019-01-12 14:54:06,671 INFO L444 ceAbstractionStarter]: At program point L510-1(lines 1 880) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,672 INFO L448 ceAbstractionStarter]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2019-01-12 14:54:06,672 INFO L444 ceAbstractionStarter]: At program point L510-3(lines 1 880) the Hoare annotation is: false [2019-01-12 14:54:06,672 INFO L448 ceAbstractionStarter]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2019-01-12 14:54:06,672 INFO L444 ceAbstractionStarter]: At program point L510-5(lines 1 880) the Hoare annotation is: false [2019-01-12 14:54:06,672 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2019-01-12 14:54:06,672 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:54:06,672 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 639 645) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L448 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L448 ceAbstractionStarter]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-01-12 14:54:06,673 INFO L444 ceAbstractionStarter]: At program point L877(lines 872 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:06,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-01-12 14:54:06,674 INFO L444 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:54:06,674 INFO L444 ceAbstractionStarter]: At program point L646-1(lines 646 652) the Hoare annotation is: false [2019-01-12 14:54:06,674 INFO L444 ceAbstractionStarter]: At program point L646-2(lines 646 652) the Hoare annotation is: false [2019-01-12 14:54:06,674 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-01-12 14:54:06,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:54:06 BoogieIcfgContainer [2019-01-12 14:54:06,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:54:06,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:54:06,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:54:06,691 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:54:06,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:03" (3/4) ... [2019-01-12 14:54:06,696 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:54:06,712 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:54:06,713 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:54:06,713 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:54:06,714 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:54:06,714 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:54:06,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:54:06,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 [2019-01-12 14:54:06,818 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:54:06,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:54:06,819 INFO L168 Benchmark]: Toolchain (without parser) took 5382.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.7 MB in the beginning and 922.1 MB in the end (delta: 30.6 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,819 INFO L168 Benchmark]: CDTParser took 0.15 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 14:54:06,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,821 INFO L168 Benchmark]: Boogie Preprocessor took 37.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:06,822 INFO L168 Benchmark]: RCFGBuilder took 1211.88 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,823 INFO L168 Benchmark]: TraceAbstraction took 3170.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,823 INFO L168 Benchmark]: Witness Printer took 126.81 ms. Allocated memory is still 1.2 GB. Free memory was 928.9 MB in the beginning and 922.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:06,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 645.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 184.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1211.88 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3170.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.81 ms. Allocated memory is still 1.2 GB. Free memory was 928.9 MB in the beginning and 922.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 283 SDtfs, 352 SDslu, 369 SDs, 0 SdLazy, 87 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1724 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...