./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 263033368f66896d5c79f69cd87eb218f4523caf ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:18:43,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:18:43,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:18:43,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:18:43,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:18:43,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:18:43,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:18:43,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:18:43,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:18:43,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:18:43,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:18:43,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:18:43,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:18:43,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:18:43,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:18:43,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:18:43,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:18:43,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:18:43,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:18:43,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:18:43,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:18:43,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:18:43,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:18:43,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:18:43,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:18:43,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:18:43,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:18:43,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:18:43,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:18:43,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:18:43,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:18:43,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:18:43,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:18:43,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:18:43,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:18:43,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:18:43,412 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:18:43,429 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:18:43,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:18:43,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:18:43,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:18:43,431 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:18:43,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:18:43,432 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:18:43,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:18:43,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:18:43,434 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:18:43,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:18:43,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:18:43,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:18:43,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:18:43,434 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:18:43,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:18:43,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:18:43,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263033368f66896d5c79f69cd87eb218f4523caf [2019-01-14 01:18:43,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:18:43,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:18:43,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:18:43,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:18:43,494 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:18:43,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2019-01-14 01:18:43,556 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5296f841/272fa5a746474dbeb65fe611446121fa/FLAG26c614ec9 [2019-01-14 01:18:43,979 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:18:43,980 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2019-01-14 01:18:43,988 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5296f841/272fa5a746474dbeb65fe611446121fa/FLAG26c614ec9 [2019-01-14 01:18:44,351 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5296f841/272fa5a746474dbeb65fe611446121fa [2019-01-14 01:18:44,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:18:44,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:18:44,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:18:44,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:18:44,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:18:44,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c433c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44, skipping insertion in model container [2019-01-14 01:18:44,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:18:44,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:18:44,576 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:18:44,581 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:18:44,598 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:18:44,612 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:18:44,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44 WrapperNode [2019-01-14 01:18:44,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:18:44,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:18:44,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:18:44,614 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:18:44,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:18:44,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:18:44,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:18:44,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:18:44,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... [2019-01-14 01:18:44,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:18:44,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:18:44,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:18:44,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:18:44,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:18:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:18:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:18:45,144 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:18:45,144 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:18:45,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:18:45 BoogieIcfgContainer [2019-01-14 01:18:45,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:18:45,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:18:45,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:18:45,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:18:45,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:18:44" (1/3) ... [2019-01-14 01:18:45,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ee822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:18:45, skipping insertion in model container [2019-01-14 01:18:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:18:44" (2/3) ... [2019-01-14 01:18:45,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ee822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:18:45, skipping insertion in model container [2019-01-14 01:18:45,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:18:45" (3/3) ... [2019-01-14 01:18:45,155 INFO L112 eAbstractionObserver]: Analyzing ICFG ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2019-01-14 01:18:45,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:18:45,180 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 01:18:45,198 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 01:18:45,228 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:18:45,229 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:18:45,229 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:18:45,229 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:18:45,229 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:18:45,229 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:18:45,229 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:18:45,230 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:18:45,230 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:18:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-14 01:18:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 01:18:45,255 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:18:45,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 01:18:45,262 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:18:45,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:18:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-14 01:18:45,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:18:45,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:18:45,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:18:45,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:18:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:18:45,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:18:45,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:18:45,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:18:45,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:18:45,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:18:45,482 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2019-01-14 01:18:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:18:45,522 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-14 01:18:45,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:18:45,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-14 01:18:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:18:45,533 INFO L225 Difference]: With dead ends: 23 [2019-01-14 01:18:45,534 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 01:18:45,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:18:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 01:18:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-01-14 01:18:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 01:18:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-14 01:18:45,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2019-01-14 01:18:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:18:45,565 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-14 01:18:45,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:18:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-14 01:18:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:18:45,566 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:18:45,566 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:18:45,567 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:18:45,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:18:45,567 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-01-14 01:18:45,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:18:45,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:18:45,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:18:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:18:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:18:45,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:18:45,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:18:45,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 01:18:45,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 01:18:45,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:18:45,629 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-01-14 01:18:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:18:45,807 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-14 01:18:45,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 01:18:45,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-14 01:18:45,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:18:45,809 INFO L225 Difference]: With dead ends: 18 [2019-01-14 01:18:45,809 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 01:18:45,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:18:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 01:18:45,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-01-14 01:18:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-14 01:18:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-01-14 01:18:45,814 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2019-01-14 01:18:45,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:18:45,814 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-01-14 01:18:45,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 01:18:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-01-14 01:18:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:18:45,815 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:18:45,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:18:45,816 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:18:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:18:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-01-14 01:18:45,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:18:45,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:18:45,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:18:45,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:18:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:18:45,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:18:45,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:18:45,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:18:45,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:18:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:18:45,878 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-01-14 01:18:45,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:18:45,911 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-01-14 01:18:45,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:18:45,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:18:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:18:45,913 INFO L225 Difference]: With dead ends: 12 [2019-01-14 01:18:45,913 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 01:18:45,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:18:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 01:18:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-14 01:18:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 01:18:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-14 01:18:45,918 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2019-01-14 01:18:45,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:18:45,918 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-14 01:18:45,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:18:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-14 01:18:45,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 01:18:45,919 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:18:45,919 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 01:18:45,919 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:18:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:18:45,920 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-01-14 01:18:45,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:18:45,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:18:45,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:18:45,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:18:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:18:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:18:45,955 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 01:18:45,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:18:45 BoogieIcfgContainer [2019-01-14 01:18:45,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:18:45,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:18:45,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:18:45,974 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:18:45,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:18:45" (3/4) ... [2019-01-14 01:18:45,978 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 01:18:46,022 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:18:46,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:18:46,023 INFO L168 Benchmark]: Toolchain (without parser) took 1666.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -121.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:18:46,024 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:18:46,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.11 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:18:46,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.38 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:18:46,026 INFO L168 Benchmark]: Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:18:46,027 INFO L168 Benchmark]: RCFGBuilder took 468.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:18:46,027 INFO L168 Benchmark]: TraceAbstraction took 827.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-01-14 01:18:46,028 INFO L168 Benchmark]: Witness Printer took 47.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:18:46,033 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.11 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.38 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 468.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 827.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j [L22] EXPR tmp + 1 [L22] j = tmp + 1 [L23] k - 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. UNSAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...