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-crafted/simple_vardep_true-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:08:50,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:08:50,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:08:50,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:08:50,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:08:50,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:08:50,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:08:50,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:08:50,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:08:50,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:08:50,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:08:50,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:08:50,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:08:50,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:08:50,324 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:08:50,325 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:08:50,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:08:50,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:08:50,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:08:50,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:08:50,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:08:50,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:08:50,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:08:50,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:08:50,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:08:50,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:08:50,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:08:50,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:08:50,341 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:08:50,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:08:50,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:08:50,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:08:50,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:08:50,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:08:50,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:08:50,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:08:50,346 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 13:08:50,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:08:50,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:08:50,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:08:50,367 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:08:50,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:08:50,370 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:08:50,370 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:08:50,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:08:50,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:08:50,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:08:50,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:08:50,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:08:50,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:08:50,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:08:50,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:08:50,372 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:08:50,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:08:50,372 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:08:50,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:08:50,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:08:50,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:08:50,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:08:50,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:08:50,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:08:50,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:08:50,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:08:50,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:08:50,376 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:08:50,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:08:50,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:08:50,376 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:08:50,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:08:50,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:08:50,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:08:50,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:08:50,462 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:08:50,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-11-23 13:08:50,537 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5de4cfd7/5964f362177a4dbe80ee74f165466ec5/FLAG06e853937 [2018-11-23 13:08:51,004 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:08:51,004 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-11-23 13:08:51,011 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5de4cfd7/5964f362177a4dbe80ee74f165466ec5/FLAG06e853937 [2018-11-23 13:08:51,381 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5de4cfd7/5964f362177a4dbe80ee74f165466ec5 [2018-11-23 13:08:51,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:08:51,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:08:51,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:51,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:08:51,397 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:08:51,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a99adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51, skipping insertion in model container [2018-11-23 13:08:51,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:08:51,437 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:08:51,662 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:51,671 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:08:51,698 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:51,715 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:08:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51 WrapperNode [2018-11-23 13:08:51,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:51,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:51,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:08:51,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:08:51,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:51,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:08:51,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:08:51,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:08:51,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (1/1) ... [2018-11-23 13:08:51,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:08:51,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:08:51,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:08:51,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:08:51,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (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 13:08:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:08:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:08:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:08:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:08:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:08:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:08:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 13:08:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 13:08:52,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:08:52,296 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:08:52,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:52 BoogieIcfgContainer [2018-11-23 13:08:52,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:08:52,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:08:52,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:08:52,302 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:08:52,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:51" (1/3) ... [2018-11-23 13:08:52,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab9b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:52, skipping insertion in model container [2018-11-23 13:08:52,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:51" (2/3) ... [2018-11-23 13:08:52,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab9b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:52, skipping insertion in model container [2018-11-23 13:08:52,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:52" (3/3) ... [2018-11-23 13:08:52,305 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_vardep_true-unreach-call2_true-termination.i [2018-11-23 13:08:52,316 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:08:52,329 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:08:52,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:08:52,379 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:08:52,380 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:08:52,380 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:08:52,380 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:08:52,380 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:08:52,380 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:08:52,381 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:08:52,381 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:08:52,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:08:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 13:08:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:08:52,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:52,408 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:52,411 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:52,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:52,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2018-11-23 13:08:52,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:52,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:52,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:52,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:53,030 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-23 13:08:53,774 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-11-23 13:08:53,861 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 13:08:53,865 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 13:08:53,865 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {20#true} {20#true} #31#return; {20#true} is VALID [2018-11-23 13:08:53,866 INFO L256 TraceCheckUtils]: 3: Hoare triple {20#true} call #t~ret0 := main(); {20#true} is VALID [2018-11-23 13:08:53,867 INFO L273 TraceCheckUtils]: 4: Hoare triple {20#true} ~i~0 := 0;~j~0 := 0;~k~0 := 0; {22#(and (<= (* 2 main_~i~0) main_~j~0) (<= main_~j~0 (* 2 main_~i~0)) (<= (* 3 main_~i~0) main_~k~0) (<= main_~k~0 (* 3 main_~i~0)))} is VALID [2018-11-23 13:08:53,870 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#(and (<= (* 2 main_~i~0) main_~j~0) (<= main_~j~0 (* 2 main_~i~0)) (<= (* 3 main_~i~0) main_~k~0) (<= main_~k~0 (* 3 main_~i~0)))} assume !!(~k~0 % 4294967296 < 268435455);~i~0 := 1 + ~i~0;~j~0 := 2 + ~j~0;~k~0 := 3 + ~k~0; {23#(and (<= (+ main_~j~0 (* 4294967296 (div (* 2 main_~i~0) 4294967296))) (+ (* 2 main_~i~0) (* 4294967296 (div main_~j~0 4294967296)))) (<= main_~k~0 (* 3 main_~i~0)) (< (div (* 3 main_~i~0) 4294967296) (+ (div main_~k~0 4294967296) 1)) (< (+ (* 2 main_~i~0) (* 4294967296 (div main_~j~0 4294967296))) (+ main_~j~0 (* 4294967296 (div (* 2 main_~i~0) 4294967296)) 1)) (<= (div main_~j~0 4294967296) (div (* 2 main_~i~0) 4294967296)) (<= (+ (* 3 main_~i~0) (* 4294967296 (div main_~k~0 4294967296))) (+ main_~k~0 (* 4294967296 (div (* 3 main_~i~0) 4294967296)))))} is VALID [2018-11-23 13:08:55,896 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#(and (<= (+ main_~j~0 (* 4294967296 (div (* 2 main_~i~0) 4294967296))) (+ (* 2 main_~i~0) (* 4294967296 (div main_~j~0 4294967296)))) (<= main_~k~0 (* 3 main_~i~0)) (< (div (* 3 main_~i~0) 4294967296) (+ (div main_~k~0 4294967296) 1)) (< (+ (* 2 main_~i~0) (* 4294967296 (div main_~j~0 4294967296))) (+ main_~j~0 (* 4294967296 (div (* 2 main_~i~0) 4294967296)) 1)) (<= (div main_~j~0 4294967296) (div (* 2 main_~i~0) 4294967296)) (<= (+ (* 3 main_~i~0) (* 4294967296 (div main_~k~0 4294967296))) (+ main_~k~0 (* 4294967296 (div (* 3 main_~i~0) 4294967296)))))} call __VERIFIER_assert((if ~k~0 % 4294967296 == 3 * ~i~0 % 4294967296 && ~j~0 % 4294967296 == 2 * ~i~0 % 4294967296 then 1 else 0)); {24#(= |__VERIFIER_assert_#in~cond| 1)} is UNKNOWN [2018-11-23 13:08:55,897 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {25#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 13:08:55,898 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {21#false} is VALID [2018-11-23 13:08:55,898 INFO L273 TraceCheckUtils]: 9: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 13:08:55,901 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 13:08:55,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:55,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:08:55,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 13:08:55,913 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:08:55,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 13:08:57,974 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 9 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2018-11-23 13:08:57,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:08:57,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:08:57,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:08:57,988 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2018-11-23 13:08:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:58,364 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-11-23 13:08:58,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:08:58,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 13:08:58,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 13:08:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-23 13:08:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 13:08:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-23 13:08:58,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 32 transitions. [2018-11-23 13:08:58,568 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:08:58,577 INFO L225 Difference]: With dead ends: 27 [2018-11-23 13:08:58,577 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:08:58,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:08:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:08:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:08:58,613 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:08:58,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:58,615 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:58,615 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:58,616 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:08:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:58,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:58,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:08:58,617 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:58,617 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:58,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:58,618 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:08:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:58,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:58,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:08:58,619 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:08:58,620 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:08:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:08:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:08:58,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 13:08:58,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:58,622 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:08:58,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:08:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:58,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:58,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:08:58,882 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 13:08:58,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:58,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:58,883 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:08:58,883 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:08:58,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:08:58,883 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 15 28) the Hoare annotation is: true [2018-11-23 13:08:58,884 INFO L444 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2018-11-23 13:08:58,884 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 15 28) no Hoare annotation was computed. [2018-11-23 13:08:58,884 INFO L444 ceAbstractionStarter]: At program point L25-1(lines 21 26) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2018-11-23 13:08:58,884 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 15 28) no Hoare annotation was computed. [2018-11-23 13:08:58,885 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2018-11-23 13:08:58,885 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 13:08:58,885 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2018-11-23 13:08:58,885 INFO L448 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2018-11-23 13:08:58,885 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2018-11-23 13:08:58,886 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 13:08:58,888 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:08:58,891 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-23 13:08:58,891 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:08:58,891 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:08:58,891 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2018-11-23 13:08:58,891 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2018-11-23 13:08:58,909 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-23 13:08:58,909 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-23 13:08:58,909 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:08:58,910 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2018-11-23 13:08:58,910 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-23 13:08:58,910 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-23 13:08:58,910 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2018-11-23 13:08:58,910 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:08:58,911 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 13:08:58,911 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 13:08:58,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:08:58 BoogieIcfgContainer [2018-11-23 13:08:58,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:08:58,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:08:58,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:08:58,928 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:08:58,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:52" (3/4) ... [2018-11-23 13:08:58,933 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:08:58,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:08:58,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:08:58,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 13:08:58,945 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 13:08:58,946 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:08:58,946 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:08:58,990 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i-witness.graphml [2018-11-23 13:08:58,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:08:58,991 INFO L168 Benchmark]: Toolchain (without parser) took 7600.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -650.1 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:58,993 INFO L168 Benchmark]: CDTParser took 0.21 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 13:08:58,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.00 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 13:08:58,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.30 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 13:08:58,994 INFO L168 Benchmark]: Boogie Preprocessor took 29.53 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 13:08:58,995 INFO L168 Benchmark]: RCFGBuilder took 523.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:58,996 INFO L168 Benchmark]: TraceAbstraction took 6628.85 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:58,997 INFO L168 Benchmark]: Witness Printer took 62.72 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 13:08:59,001 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 0.21 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 323.00 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 27.30 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 29.53 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 523.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6628.85 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Witness Printer took 62.72 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: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((2 * i <= j && j <= 2 * i) && 3 * i <= k) && k <= 3 * i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 33 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 47 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 1044 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...