java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:46:14,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:46:14,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:46:14,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:46:14,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:46:14,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:46:14,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:46:14,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:46:14,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:46:14,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:46:14,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:46:14,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:46:14,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:46:14,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:46:14,512 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:46:14,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:46:14,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:46:14,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:46:14,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:46:14,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:46:14,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:46:14,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:46:14,536 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 15:46:14,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 15:46:14,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 15:46:14,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 15:46:14,540 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 15:46:14,541 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 15:46:14,541 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 15:46:14,542 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 15:46:14,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 15:46:14,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-22 15:46:14,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-22 15:46:14,544 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-22 15:46:14,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-22 15:46:14,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-22 15:46:14,546 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-22 15:46:14,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:46:14,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:46:14,575 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:46:14,576 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:46:14,576 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:46:14,576 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:46:14,577 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:46:14,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:46:14,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:46:14,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:46:14,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:46:14,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:46:14,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:46:14,578 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:46:14,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:46:14,579 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:46:14,579 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:46:14,579 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:46:14,579 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:46:14,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:46:14,580 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:46:14,580 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:46:14,580 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:46:14,580 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:46:14,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:46:14,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:46:14,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:46:14,581 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:46:14,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:46:14,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:46:14,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:46:14,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:46:14,669 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:46:14,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-10-22 15:46:14,727 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/abf680fc9/6b7c42615fa74dc09302ca950b5aa528/FLAGf275d32fe [2018-10-22 15:46:15,164 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:46:15,165 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-10-22 15:46:15,170 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/abf680fc9/6b7c42615fa74dc09302ca950b5aa528/FLAGf275d32fe [2018-10-22 15:46:15,184 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/abf680fc9/6b7c42615fa74dc09302ca950b5aa528 [2018-10-22 15:46:15,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:46:15,195 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:46:15,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:15,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:46:15,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:46:15,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1b5aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15, skipping insertion in model container [2018-10-22 15:46:15,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:46:15,233 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:46:15,392 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:15,396 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:46:15,413 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:15,429 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:46:15,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15 WrapperNode [2018-10-22 15:46:15,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:15,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:15,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:46:15,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:46:15,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:15,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:46:15,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:46:15,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:46:15,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:46:15,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:46:15,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:46:15,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:46:15,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:46:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:46:15,799 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:46:15,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:15 BoogieIcfgContainer [2018-10-22 15:46:15,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:46:15,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:46:15,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:46:15,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:46:15,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:46:15" (1/3) ... [2018-10-22 15:46:15,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476a4cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:15, skipping insertion in model container [2018-10-22 15:46:15,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (2/3) ... [2018-10-22 15:46:15,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476a4cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:15, skipping insertion in model container [2018-10-22 15:46:15,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:15" (3/3) ... [2018-10-22 15:46:15,807 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_vardep_true-unreach-call1_true-termination.i [2018-10-22 15:46:15,816 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:46:15,823 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:46:15,840 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:46:15,871 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:46:15,872 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:46:15,872 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:46:15,872 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:46:15,872 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:46:15,873 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:46:15,873 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:46:15,873 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:46:15,873 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:46:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-22 15:46:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-22 15:46:15,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:15,891 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-22 15:46:15,893 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:15,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:15,899 INFO L82 PathProgramCache]: Analyzing trace with hash 889541483, now seen corresponding path program 1 times [2018-10-22 15:46:15,901 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:15,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:15,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:15,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:15,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:16,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:46:16,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-22 15:46:16,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-22 15:46:16,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-22 15:46:16,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-22 15:46:16,248 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-10-22 15:46:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:16,356 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2018-10-22 15:46:16,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-22 15:46:16,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-22 15:46:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:16,366 INFO L225 Difference]: With dead ends: 23 [2018-10-22 15:46:16,366 INFO L226 Difference]: Without dead ends: 0 [2018-10-22 15:46:16,370 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-22 15:46:16,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-22 15:46:16,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-22 15:46:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-22 15:46:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-22 15:46:16,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-10-22 15:46:16,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:16,395 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-22 15:46:16,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-22 15:46:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-22 15:46:16,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 15:46:16,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-22 15:46:16,467 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 15:46:16,467 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 27) no Hoare annotation was computed. [2018-10-22 15:46:16,468 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 27) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~j~0))) (and (<= ULTIMATE.start_main_~k~0 .cse0) (<= .cse0 ULTIMATE.start_main_~k~0))) [2018-10-22 15:46:16,468 INFO L425 ceAbstractionStarter]: For program point L15(lines 15 29) no Hoare annotation was computed. [2018-10-22 15:46:16,468 INFO L425 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2018-10-22 15:46:16,469 INFO L421 ceAbstractionStarter]: At program point L9-2(lines 7 13) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~j~0))) (and (<= ULTIMATE.start_main_~k~0 .cse0) (= ULTIMATE.start___VERIFIER_assert_~cond 1) (<= .cse0 ULTIMATE.start_main_~k~0))) [2018-10-22 15:46:16,469 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-10-22 15:46:16,469 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-22 15:46:16,469 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-22 15:46:16,469 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 15:46:16,470 INFO L425 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-10-22 15:46:16,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:46:16 BoogieIcfgContainer [2018-10-22 15:46:16,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:46:16,486 INFO L168 Benchmark]: Toolchain (without parser) took 1291.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:46:16,488 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:46:16,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:16,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:46:16,491 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:46:16,491 INFO L168 Benchmark]: RCFGBuilder took 307.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:16,492 INFO L168 Benchmark]: TraceAbstraction took 684.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:16,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 307.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 684.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 7]: Loop Invariant Derived loop invariant: (k <= i + j && cond == 1) && i + j <= k - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: k <= i + j && i + j <= k - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 6 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 25 HoareAnnotationTreeSize, 2 FomulaSimplifications, 15 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...