java -ea -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_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:10:14,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:10:14,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:10:14,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:10:14,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:10:14,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:10:14,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:10:14,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:10:14,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:10:14,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:10:14,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:10:14,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:10:14,464 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:10:14,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:10:14,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:10:14,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:10:14,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:10:14,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:10:14,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:10:14,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:10:14,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:10:14,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:10:14,486 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:10:14,486 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:10:14,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:10:14,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:10:14,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:10:14,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:10:14,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:10:14,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:10:14,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:10:14,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-23 13:10:14,499 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:10:14,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:10:14,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:10:14,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:10:14,524 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:10:14,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:10:14,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:10:14,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:10:14,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:10:14,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:10:14,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:10:14,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:10:14,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:10:14,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:10:14,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:10:14,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:10:14,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:10:14,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:10:14,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:10:14,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:10:14,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:10:14,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:10:14,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:10:14,528 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:10:14,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:10:14,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:10:14,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:10:14,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:10:14,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:10:14,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:10:14,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:10:14,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:10:14,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:10:14,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:10:14,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:10:14,600 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:10:14,601 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:10:14,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-11-23 13:10:14,662 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a6a8f8/b35d158b293a47b58cb71fc52a561ca1/FLAG05f950b9e [2018-11-23 13:10:15,064 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:10:15,064 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-11-23 13:10:15,069 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a6a8f8/b35d158b293a47b58cb71fc52a561ca1/FLAG05f950b9e [2018-11-23 13:10:15,456 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a6a8f8/b35d158b293a47b58cb71fc52a561ca1 [2018-11-23 13:10:15,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:10:15,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:10:15,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:10:15,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:10:15,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:10:15,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360eea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15, skipping insertion in model container [2018-11-23 13:10:15,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:10:15,514 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:10:15,737 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:10:15,744 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:10:15,769 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:10:15,787 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:10:15,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15 WrapperNode [2018-11-23 13:10:15,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:10:15,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:10:15,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:10:15,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:10:15,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:10:15,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:10:15,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:10:15,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:10:15,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (1/1) ... [2018-11-23 13:10:15,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:10:15,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:10:15,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:10:15,832 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:10:15,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (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 [2018-11-23 13:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 13:10:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 13:10:16,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:10:16,476 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:10:16,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:16 BoogieIcfgContainer [2018-11-23 13:10:16,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:10:16,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:10:16,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:10:16,484 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:10:16,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:10:15" (1/3) ... [2018-11-23 13:10:16,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c41b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:16, skipping insertion in model container [2018-11-23 13:10:16,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:15" (2/3) ... [2018-11-23 13:10:16,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c41b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:16, skipping insertion in model container [2018-11-23 13:10:16,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:16" (3/3) ... [2018-11-23 13:10:16,488 INFO L112 eAbstractionObserver]: Analyzing ICFG nest-if3_true-unreach-call_true-termination.i [2018-11-23 13:10:16,499 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:10:16,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:10:16,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:10:16,553 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:10:16,554 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:10:16,554 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:10:16,555 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:10:16,555 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:10:16,555 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:10:16,555 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:10:16,555 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:10:16,555 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:10:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-23 13:10:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:10:16,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:16,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:16,583 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:16,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:16,589 INFO L82 PathProgramCache]: Analyzing trace with hash -158879193, now seen corresponding path program 1 times [2018-11-23 13:10:16,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:16,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:16,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:16,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:16,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:16,974 INFO L256 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {28#true} is VALID [2018-11-23 13:10:16,978 INFO L273 TraceCheckUtils]: 1: Hoare triple {28#true} assume true; {28#true} is VALID [2018-11-23 13:10:16,978 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {28#true} {28#true} #63#return; {28#true} is VALID [2018-11-23 13:10:16,979 INFO L256 TraceCheckUtils]: 3: Hoare triple {28#true} call #t~ret6 := main(); {28#true} is VALID [2018-11-23 13:10:16,979 INFO L273 TraceCheckUtils]: 4: Hoare triple {28#true} havoc ~i~0;havoc ~k~0;havoc ~n~0;havoc ~l~0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~n~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~l~0 := #t~nondet2;havoc #t~nondet2; {28#true} is VALID [2018-11-23 13:10:16,981 INFO L273 TraceCheckUtils]: 5: Hoare triple {28#true} assume !!(~l~0 > 0); {30#(<= 1 main_~l~0)} is VALID [2018-11-23 13:10:16,982 INFO L273 TraceCheckUtils]: 6: Hoare triple {30#(<= 1 main_~l~0)} assume !!(~l~0 < 1000000); {30#(<= 1 main_~l~0)} is VALID [2018-11-23 13:10:16,983 INFO L273 TraceCheckUtils]: 7: Hoare triple {30#(<= 1 main_~l~0)} assume !!(~n~0 < 1000000);~k~0 := 1; {30#(<= 1 main_~l~0)} is VALID [2018-11-23 13:10:16,984 INFO L273 TraceCheckUtils]: 8: Hoare triple {30#(<= 1 main_~l~0)} assume !!(~k~0 < ~n~0);~i~0 := ~l~0; {31#(<= 1 main_~i~0)} is VALID [2018-11-23 13:10:16,985 INFO L273 TraceCheckUtils]: 9: Hoare triple {31#(<= 1 main_~i~0)} assume !!(~i~0 < ~n~0); {31#(<= 1 main_~i~0)} is VALID [2018-11-23 13:10:16,987 INFO L256 TraceCheckUtils]: 10: Hoare triple {31#(<= 1 main_~i~0)} call __VERIFIER_assert((if 1 <= ~i~0 then 1 else 0)); {32#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 13:10:16,988 INFO L273 TraceCheckUtils]: 11: Hoare triple {32#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {33#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 13:10:16,989 INFO L273 TraceCheckUtils]: 12: Hoare triple {33#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {29#false} is VALID [2018-11-23 13:10:16,989 INFO L273 TraceCheckUtils]: 13: Hoare triple {29#false} assume !false; {29#false} is VALID [2018-11-23 13:10:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:10:16,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:16,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:10:17,002 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-23 13:10:17,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:10:17,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 13:10:17,093 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:10:17,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:10:17,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:10:17,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:10:17,106 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2018-11-23 13:10:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:17,983 INFO L93 Difference]: Finished difference Result 45 states and 61 transitions. [2018-11-23 13:10:17,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:10:17,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-23 13:10:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 13:10:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2018-11-23 13:10:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 13:10:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2018-11-23 13:10:18,020 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 61 transitions. [2018-11-23 13:10:18,293 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:10:18,300 INFO L225 Difference]: With dead ends: 45 [2018-11-23 13:10:18,300 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:10:18,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:10:18,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:10:18,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:10:18,325 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:10:18,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:10:18,326 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:10:18,326 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:10:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:18,327 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:10:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:10:18,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:10:18,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:10:18,328 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:10:18,328 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:10:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:18,329 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:10:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:10:18,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:10:18,330 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:10:18,330 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:10:18,330 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:10:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:10:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:10:18,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-23 13:10:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:18,333 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:10:18,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:10:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:10:18,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:10:18,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:10:18,436 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 13:10:18,436 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:18,436 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:18,436 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:10:18,437 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:10:18,437 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:10:18,437 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 24) no Hoare annotation was computed. [2018-11-23 13:10:18,437 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 22) no Hoare annotation was computed. [2018-11-23 13:10:18,438 INFO L444 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-11-23 13:10:18,438 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 18 20) no Hoare annotation was computed. [2018-11-23 13:10:18,438 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-23 13:10:18,438 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 23) no Hoare annotation was computed. [2018-11-23 13:10:18,438 INFO L444 ceAbstractionStarter]: At program point L17-3(lines 17 23) the Hoare annotation is: (<= 1 main_~l~0) [2018-11-23 13:10:18,438 INFO L448 ceAbstractionStarter]: For program point L17-4(lines 10 24) no Hoare annotation was computed. [2018-11-23 13:10:18,439 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 24) the Hoare annotation is: true [2018-11-23 13:10:18,439 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-23 13:10:18,439 INFO L444 ceAbstractionStarter]: At program point L18-2(lines 18 20) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-11-23 13:10:18,439 INFO L448 ceAbstractionStarter]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2018-11-23 13:10:18,439 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-23 13:10:18,440 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 13:10:18,440 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 13:10:18,440 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 13:10:18,440 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 13:10:18,440 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 13:10:18,441 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 13:10:18,443 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:10:18,443 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:10:18,443 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 13:10:18,443 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:10:18,443 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:10:18,444 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:10:18,444 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:10:18,444 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 13:10:18,444 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 13:10:18,444 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 13:10:18,445 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2018-11-23 13:10:18,446 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2018-11-23 13:10:18,459 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2018-11-23 13:10:18,459 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-23 13:10:18,459 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-23 13:10:18,460 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-23 13:10:18,460 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2018-11-23 13:10:18,460 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-23 13:10:18,460 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-23 13:10:18,460 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2018-11-23 13:10:18,460 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 13:10:18,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:10:18 BoogieIcfgContainer [2018-11-23 13:10:18,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:10:18,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:10:18,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:10:18,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:10:18,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:16" (3/4) ... [2018-11-23 13:10:18,477 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:10:18,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:10:18,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:10:18,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 13:10:18,488 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 13:10:18,489 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:10:18,489 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:10:18,489 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:10:18,558 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-invgen/nest-if3_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 13:10:18,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:10:18,559 INFO L168 Benchmark]: Toolchain (without parser) took 3093.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -649.9 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2018-11-23 13:10:18,564 INFO L168 Benchmark]: CDTParser took 0.59 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. [2018-11-23 13:10:18,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.75 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. [2018-11-23 13:10:18,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.42 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. [2018-11-23 13:10:18,566 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 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. [2018-11-23 13:10:18,566 INFO L168 Benchmark]: RCFGBuilder took 645.63 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -740.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-11-23 13:10:18,567 INFO L168 Benchmark]: TraceAbstraction took 1994.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2018-11-23 13:10:18,569 INFO L168 Benchmark]: Witness Printer took 85.50 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:10:18,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 319.75 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 20.42 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 22.16 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 645.63 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -740.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1994.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Witness Printer took 85.50 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * 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: 17]: Loop Invariant Derived loop invariant: 1 <= l - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 <= l && 1 <= i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 21 SDslu, 71 SDs, 0 SdLazy, 38 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 8 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 22 HoareAnnotationTreeSize, 9 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 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...