java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:58:28,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:58:28,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:58:28,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:58:28,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:58:28,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:58:28,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:58:28,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:58:28,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:58:28,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:58:28,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:58:28,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:58:28,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:58:28,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:58:28,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:58:28,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:58:28,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:58:28,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:58:28,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:58:28,324 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:58:28,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:58:28,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:58:28,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 22:58:28,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 22:58:28,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 22:58:28,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 22:58:28,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 22:58:28,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 22:58:28,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 22:58:28,347 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 22:58:28,348 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 22:58:28,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 22:58:28,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 22:58:28,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 22:58:28,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 22:58:28,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 22:58:28,355 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:58:28,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:58:28,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:58:28,394 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:58:28,395 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:58:28,396 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:58:28,396 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:58:28,396 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:58:28,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:58:28,401 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:58:28,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:58:28,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:58:28,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:58:28,402 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:58:28,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:58:28,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:58:28,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:58:28,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:58:28,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:58:28,403 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:58:28,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:58:28,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:58:28,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:58:28,404 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:58:28,404 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:58:28,404 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:58:28,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:58:28,405 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:58:28,406 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:58:28,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:58:28,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:58:28,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:58:28,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:58:28,515 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:58:28,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5_true-unreach-call.c [2018-11-06 22:58:28,593 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde87767f/782247971f1a44939118c8bb9a15975e/FLAGf49b68617 [2018-11-06 22:58:29,120 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:58:29,121 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5_true-unreach-call.c [2018-11-06 22:58:29,130 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde87767f/782247971f1a44939118c8bb9a15975e/FLAGf49b68617 [2018-11-06 22:58:29,148 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde87767f/782247971f1a44939118c8bb9a15975e [2018-11-06 22:58:29,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:58:29,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:58:29,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:58:29,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:58:29,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:58:29,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d73b804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29, skipping insertion in model container [2018-11-06 22:58:29,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:58:29,214 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:58:29,424 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:58:29,429 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:58:29,451 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:58:29,469 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:58:29,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29 WrapperNode [2018-11-06 22:58:29,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:58:29,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:58:29,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:58:29,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:58:29,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:58:29,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:58:29,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:58:29,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:58:29,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (1/1) ... [2018-11-06 22:58:29,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:58:29,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:58:29,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:58:29,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:58:29,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (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 [2018-11-06 22:58:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:58:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:58:30,099 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:58:30,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:30 BoogieIcfgContainer [2018-11-06 22:58:30,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:58:30,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:58:30,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:58:30,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:58:30,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:58:29" (1/3) ... [2018-11-06 22:58:30,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221d4533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:30, skipping insertion in model container [2018-11-06 22:58:30,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:29" (2/3) ... [2018-11-06 22:58:30,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221d4533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:30, skipping insertion in model container [2018-11-06 22:58:30,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:30" (3/3) ... [2018-11-06 22:58:30,110 INFO L112 eAbstractionObserver]: Analyzing ICFG nested5_true-unreach-call.c [2018-11-06 22:58:30,122 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:58:30,143 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:58:30,167 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:58:30,205 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:58:30,206 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:58:30,207 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:58:30,207 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:58:30,207 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:58:30,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:58:30,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:58:30,208 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:58:30,208 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:58:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-06 22:58:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-06 22:58:30,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:58:30,236 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:58:30,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:58:30,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:58:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1506433925, now seen corresponding path program 1 times [2018-11-06 22:58:30,250 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:58:30,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:58:30,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:58:30,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:30,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:58:30,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 22:58:30,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-06 22:58:30,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-06 22:58:30,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-06 22:58:30,417 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-11-06 22:58:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:58:30,438 INFO L93 Difference]: Finished difference Result 48 states and 68 transitions. [2018-11-06 22:58:30,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-06 22:58:30,439 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-06 22:58:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:58:30,452 INFO L225 Difference]: With dead ends: 48 [2018-11-06 22:58:30,452 INFO L226 Difference]: Without dead ends: 22 [2018-11-06 22:58:30,457 INFO L604 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 [2018-11-06 22:58:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-06 22:58:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-06 22:58:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-06 22:58:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2018-11-06 22:58:30,502 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2018-11-06 22:58:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:58:30,503 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2018-11-06 22:58:30,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-06 22:58:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-06 22:58:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-06 22:58:30,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:58:30,505 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:58:30,505 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:58:30,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:58:30,506 INFO L82 PathProgramCache]: Analyzing trace with hash 536635677, now seen corresponding path program 1 times [2018-11-06 22:58:30,506 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:58:30,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:58:30,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:58:30,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:30,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:58:30,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 22:58:30,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 22:58:30,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 22:58:30,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 22:58:30,721 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 3 states. [2018-11-06 22:58:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:58:30,810 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2018-11-06 22:58:30,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 22:58:30,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-06 22:58:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:58:30,812 INFO L225 Difference]: With dead ends: 56 [2018-11-06 22:58:30,812 INFO L226 Difference]: Without dead ends: 36 [2018-11-06 22:58:30,814 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 22:58:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-06 22:58:30,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2018-11-06 22:58:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-06 22:58:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2018-11-06 22:58:30,821 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 15 [2018-11-06 22:58:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:58:30,821 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2018-11-06 22:58:30,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 22:58:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-06 22:58:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-06 22:58:30,822 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:58:30,822 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:58:30,823 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:58:30,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:58:30,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1602562593, now seen corresponding path program 1 times [2018-11-06 22:58:30,824 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:58:30,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:58:30,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:58:30,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:30,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:58:30,991 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:58:31,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:58:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:31,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:58:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:31,152 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:58:31,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-06 22:58:31,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 22:58:31,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 22:58:31,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:58:31,153 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2018-11-06 22:58:31,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:58:31,263 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2018-11-06 22:58:31,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:58:31,264 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-06 22:58:31,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:58:31,265 INFO L225 Difference]: With dead ends: 61 [2018-11-06 22:58:31,265 INFO L226 Difference]: Without dead ends: 39 [2018-11-06 22:58:31,266 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:58:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-06 22:58:31,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2018-11-06 22:58:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-06 22:58:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-11-06 22:58:31,272 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 18 [2018-11-06 22:58:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:58:31,272 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-11-06 22:58:31,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 22:58:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-06 22:58:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-06 22:58:31,274 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:58:31,274 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:58:31,274 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:58:31,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:58:31,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1733486115, now seen corresponding path program 2 times [2018-11-06 22:58:31,275 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:58:31,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:58:31,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:31,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:58:31,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:31,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:58:31,488 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:58:31,500 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-06 22:58:31,547 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-06 22:58:31,547 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-06 22:58:31,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:58:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:31,671 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:58:31,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-06 22:58:31,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:58:31,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:58:31,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:58:31,673 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 5 states. [2018-11-06 22:58:31,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:58:31,855 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2018-11-06 22:58:31,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 22:58:31,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-06 22:58:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:58:31,857 INFO L225 Difference]: With dead ends: 67 [2018-11-06 22:58:31,857 INFO L226 Difference]: Without dead ends: 42 [2018-11-06 22:58:31,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:58:31,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-06 22:58:31,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2018-11-06 22:58:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-06 22:58:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2018-11-06 22:58:31,865 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 21 [2018-11-06 22:58:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:58:31,865 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2018-11-06 22:58:31,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:58:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2018-11-06 22:58:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-06 22:58:31,866 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:58:31,867 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:58:31,867 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:58:31,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:58:31,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2049142047, now seen corresponding path program 3 times [2018-11-06 22:58:31,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:58:31,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:58:31,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:31,869 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-06 22:58:31,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:58:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:58:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:58:32,113 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:58:32,114 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:58:32,132 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-06 22:58:32,159 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-06 22:58:32,159 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-06 22:58:32,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:58:35,663 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 19 [2018-11-06 22:58:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-06 22:58:37,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:58:37,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-06 22:58:37,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-06 22:58:37,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-06 22:58:37,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2018-11-06 22:58:37,924 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 10 states. [2018-11-06 22:58:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:58:49,047 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2018-11-06 22:58:49,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-06 22:58:49,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-11-06 22:58:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:58:49,051 INFO L225 Difference]: With dead ends: 91 [2018-11-06 22:58:49,051 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 22:58:49,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=81, Invalid=222, Unknown=3, NotChecked=0, Total=306 [2018-11-06 22:58:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 22:58:49,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 22:58:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 22:58:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 22:58:49,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-11-06 22:58:49,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:58:49,054 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 22:58:49,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-06 22:58:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 22:58:49,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 22:58:49,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 22:58:50,341 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-06 22:58:50,467 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 22) no Hoare annotation was computed. [2018-11-06 22:58:50,467 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 22) no Hoare annotation was computed. [2018-11-06 22:58:50,467 INFO L421 ceAbstractionStarter]: At program point L19-4(lines 19 22) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (and (exists ((v_prenex_5 Int)) (let ((.cse0 (mod v_prenex_5 4)) (.cse1 (mod v_prenex_5 4294967296))) (and (<= .cse0 2147483647) (<= 0 .cse1) (= .cse0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse1) (< (mod (+ v_prenex_5 4294967295) 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296)))) [2018-11-06 22:58:50,467 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 22:58:50,467 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L421 ceAbstractionStarter]: At program point L20-4(line 20) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10)) [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 22) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point L20-5(line 20) no Hoare annotation was computed. [2018-11-06 22:58:50,468 INFO L425 ceAbstractionStarter]: For program point L16-3(lines 16 22) no Hoare annotation was computed. [2018-11-06 22:58:50,469 INFO L421 ceAbstractionStarter]: At program point L16-4(lines 16 22) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (and (exists ((v_prenex_5 Int)) (let ((.cse0 (mod v_prenex_5 4)) (.cse1 (mod v_prenex_5 4294967296))) (and (<= .cse0 2147483647) (<= 0 .cse1) (= .cse0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse1) (< (mod (+ v_prenex_5 4294967295) 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296)))) [2018-11-06 22:58:50,469 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-06 22:58:50,469 INFO L421 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (exists ((v_prenex_5 Int)) (let ((.cse0 (mod v_prenex_5 4)) (.cse1 (mod v_prenex_5 4294967296))) (and (<= .cse0 2147483647) (<= 0 .cse1) (= .cse0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse1) (< (mod (+ v_prenex_5 4294967295) 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296))) [2018-11-06 22:58:50,469 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 22:58:50,470 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-06 22:58:50,470 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 22) no Hoare annotation was computed. [2018-11-06 22:58:50,470 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 22) no Hoare annotation was computed. [2018-11-06 22:58:50,470 INFO L421 ceAbstractionStarter]: At program point L17-4(lines 17 22) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (and (exists ((v_prenex_5 Int)) (let ((.cse0 (mod v_prenex_5 4)) (.cse1 (mod v_prenex_5 4294967296))) (and (<= .cse0 2147483647) (<= 0 .cse1) (= .cse0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse1) (< (mod (+ v_prenex_5 4294967295) 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296)))) [2018-11-06 22:58:50,470 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-06 22:58:50,470 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2018-11-06 22:58:50,471 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2018-11-06 22:58:50,471 INFO L421 ceAbstractionStarter]: At program point L18-4(lines 18 22) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (and (exists ((v_prenex_5 Int)) (let ((.cse0 (mod v_prenex_5 4)) (.cse1 (mod v_prenex_5 4294967296))) (and (<= .cse0 2147483647) (<= 0 .cse1) (= .cse0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse1) (< (mod (+ v_prenex_5 4294967295) 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296)))) [2018-11-06 22:58:50,471 INFO L425 ceAbstractionStarter]: For program point L10(lines 10 23) no Hoare annotation was computed. [2018-11-06 22:58:50,477 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,478 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,478 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,486 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,486 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,487 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,487 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,487 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,488 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,499 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,499 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,499 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,499 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,500 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,500 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,501 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,501 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,501 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:58:50 BoogieIcfgContainer [2018-11-06 22:58:50,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:58:50,505 INFO L168 Benchmark]: Toolchain (without parser) took 21343.87 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -559.6 MB). Peak memory consumption was 154.5 MB. Max. memory is 7.1 GB. [2018-11-06 22:58:50,506 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-11-06 22:58:50,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.84 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. [2018-11-06 22:58:50,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.37 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. [2018-11-06 22:58:50,508 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 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. [2018-11-06 22:58:50,509 INFO L168 Benchmark]: RCFGBuilder took 556.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -761.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2018-11-06 22:58:50,510 INFO L168 Benchmark]: TraceAbstraction took 20402.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 191.6 MB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. [2018-11-06 22:58:50,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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. * CACSL2BoogieTranslator took 307.84 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 43.37 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 27.98 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 556.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -761.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20402.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 191.6 MB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 19]: Loop Invariant [2018-11-06 22:58:50,532 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,532 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,532 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,532 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,532 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,533 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,533 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,533 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,533 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,534 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (0 <= v && v <= 0) || (((\exists v_prenex_5 : int :: (((v_prenex_5 % 4 <= 2147483647 && 0 <= v_prenex_5 % 4294967296) && v_prenex_5 % 4 == cond) && 10 <= v_prenex_5 % 4294967296) && (v_prenex_5 + 4294967295) % 4294967296 < 10) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= v && v <= 0) || (v + 4294967295) % 4294967296 < 10 - InvariantResult [Line: 16]: Loop Invariant [2018-11-06 22:58:50,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,537 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,537 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (0 <= v && v <= 0) || (((\exists v_prenex_5 : int :: (((v_prenex_5 % 4 <= 2147483647 && 0 <= v_prenex_5 % 4294967296) && v_prenex_5 % 4 == cond) && 10 <= v_prenex_5 % 4294967296) && (v_prenex_5 + 4294967295) % 4294967296 < 10) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296) - InvariantResult [Line: 3]: Loop Invariant [2018-11-06 22:58:50,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_5 : int :: (((v_prenex_5 % 4 <= 2147483647 && 0 <= v_prenex_5 % 4294967296) && v_prenex_5 % 4 == cond) && 10 <= v_prenex_5 % 4294967296) && (v_prenex_5 + 4294967295) % 4294967296 < 10) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296 - InvariantResult [Line: 17]: Loop Invariant [2018-11-06 22:58:50,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,541 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,541 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,541 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,541 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,542 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,542 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,542 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,542 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,543 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (0 <= v && v <= 0) || (((\exists v_prenex_5 : int :: (((v_prenex_5 % 4 <= 2147483647 && 0 <= v_prenex_5 % 4294967296) && v_prenex_5 % 4 == cond) && 10 <= v_prenex_5 % 4294967296) && (v_prenex_5 + 4294967295) % 4294967296 < 10) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296) - InvariantResult [Line: 18]: Loop Invariant [2018-11-06 22:58:50,543 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,543 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,544 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,544 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,544 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-06 22:58:50,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (0 <= v && v <= 0) || (((\exists v_prenex_5 : int :: (((v_prenex_5 % 4 <= 2147483647 && 0 <= v_prenex_5 % 4294967296) && v_prenex_5 % 4 == cond) && 10 <= v_prenex_5 % 4294967296) && (v_prenex_5 + 4294967295) % 4294967296 < 10) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 126 SDslu, 246 SDs, 0 SdLazy, 166 SolverSat, 17 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 65 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=4, 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, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 27 NumberOfFragments, 257 HoareAnnotationTreeSize, 6 FomulaSimplifications, 236 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 21 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 155 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 147 ConstructedInterpolants, 1 QuantifiedInterpolants, 8715 SizeOfPredicates, 5 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 15/48 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...