./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa 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/ChenFlurMukhopadhyay-SAS2012-Ex2.10_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 b61f9d11a7993733a89da24850eba50014a42dab .................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2019-01-01 20:35:34,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:35:34,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:35:34,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:35:34,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:35:34,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:35:34,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:35:34,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:35:34,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:35:34,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:35:34,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:35:34,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:35:34,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:35:34,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:35:34,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:35:34,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:35:34,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:35:34,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:35:34,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:35:34,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:35:34,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:35:34,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:35:34,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:35:34,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:35:34,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:35:34,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:35:34,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:35:34,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:35:34,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:35:34,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:35:34,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:35:34,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:35:34,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:35:34,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:35:34,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:35:34,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:35:34,489 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:35:34,504 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:35:34,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:35:34,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:35:34,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:35:34,506 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:35:34,507 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:35:34,507 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:35:34,508 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:35:34,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:35:34,509 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:35:34,509 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:35:34,509 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:35:34,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:35:34,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:35:34,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:35:34,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:35:34,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:35:34,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:35:34,512 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:35:34,512 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:35:34,513 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:35:34,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:35:34,514 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 -> b61f9d11a7993733a89da24850eba50014a42dab [2019-01-01 20:35:34,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:35:34,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:35:34,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:35:34,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:35:34,569 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:35:34,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10_false-no-overflow.c [2019-01-01 20:35:34,630 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb98eb85/cebc9d5fdd9a4a14aa289698f9df40b9/FLAGd914f578f [2019-01-01 20:35:35,058 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:35:35,059 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10_false-no-overflow.c [2019-01-01 20:35:35,065 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb98eb85/cebc9d5fdd9a4a14aa289698f9df40b9/FLAGd914f578f [2019-01-01 20:35:35,442 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb98eb85/cebc9d5fdd9a4a14aa289698f9df40b9 [2019-01-01 20:35:35,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:35:35,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:35:35,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:35:35,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:35:35,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:35:35,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540addd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35, skipping insertion in model container [2019-01-01 20:35:35,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:35:35,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:35:35,729 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:35:35,734 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:35:35,758 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:35:35,779 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:35:35,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35 WrapperNode [2019-01-01 20:35:35,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:35:35,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:35:35,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:35:35,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:35:35,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:35:35,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:35:35,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:35:35,824 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:35:35,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (1/1) ... [2019-01-01 20:35:35,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:35:35,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:35:35,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:35:35,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:35:35,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (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 [2019-01-01 20:35:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:35:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:35:36,201 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:35:36,201 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:35:36,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:36 BoogieIcfgContainer [2019-01-01 20:35:36,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:35:36,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:35:36,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:35:36,206 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:35:36,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:35:35" (1/3) ... [2019-01-01 20:35:36,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:35:36, skipping insertion in model container [2019-01-01 20:35:36,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:35" (2/3) ... [2019-01-01 20:35:36,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:35:36, skipping insertion in model container [2019-01-01 20:35:36,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:36" (3/3) ... [2019-01-01 20:35:36,209 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex2.10_false-no-overflow.c [2019-01-01 20:35:36,220 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:35:36,227 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 20:35:36,245 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 20:35:36,277 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:35:36,278 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:35:36,278 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:35:36,278 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:35:36,278 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:35:36,278 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:35:36,279 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:35:36,279 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:35:36,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:35:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-01 20:35:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-01 20:35:36,301 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:35:36,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-01 20:35:36,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:35:36,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:35:36,310 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-01 20:35:36,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:35:36,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:35:36,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:35:36,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:35:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:35:36,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:35:36,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:35:36,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:35:36,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:35:36,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:35:36,622 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states. [2019-01-01 20:35:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:35:36,772 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-01 20:35:36,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 20:35:36,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-01 20:35:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:35:36,784 INFO L225 Difference]: With dead ends: 18 [2019-01-01 20:35:36,785 INFO L226 Difference]: Without dead ends: 9 [2019-01-01 20:35:36,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:35:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-01 20:35:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-01 20:35:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-01 20:35:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-01 20:35:36,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2019-01-01 20:35:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:35:36,824 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-01 20:35:36,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:35:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-01 20:35:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 20:35:36,825 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:35:36,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 20:35:36,825 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:35:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:35:36,826 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-01-01 20:35:36,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:35:36,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:35:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:35:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:35:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:35:36,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:35:36,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:35:36,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:35:36,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:35:36,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:35:36,888 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-01-01 20:35:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:35:36,975 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-01-01 20:35:36,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 20:35:36,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-01 20:35:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:35:36,977 INFO L225 Difference]: With dead ends: 9 [2019-01-01 20:35:36,977 INFO L226 Difference]: Without dead ends: 8 [2019-01-01 20:35:36,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:35:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-01 20:35:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-01 20:35:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-01 20:35:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-01 20:35:36,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2019-01-01 20:35:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:35:36,982 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-01 20:35:36,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:35:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-01 20:35:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:35:36,982 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:35:36,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:35:36,983 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:35:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:35:36,983 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-01-01 20:35:36,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:35:36,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:35:36,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:35:36,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:35:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:35:37,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:35:37,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:35:37,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:35:37,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:35:37,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:35:37,037 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2019-01-01 20:35:37,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:35:37,062 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-01-01 20:35:37,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:35:37,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 20:35:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:35:37,064 INFO L225 Difference]: With dead ends: 9 [2019-01-01 20:35:37,064 INFO L226 Difference]: Without dead ends: 8 [2019-01-01 20:35:37,064 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 [2019-01-01 20:35:37,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-01 20:35:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-01-01 20:35:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-01 20:35:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-01-01 20:35:37,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-01-01 20:35:37,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:35:37,067 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-01-01 20:35:37,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:35:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-01-01 20:35:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:35:37,068 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:35:37,068 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:35:37,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:35:37,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:35:37,071 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-01-01 20:35:37,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:35:37,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:35:37,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:37,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:35:37,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:35:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:35:37,114 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 20:35:37,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:35:37 BoogieIcfgContainer [2019-01-01 20:35:37,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:35:37,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:35:37,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:35:37,132 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:35:37,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:36" (3/4) ... [2019-01-01 20:35:37,135 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 20:35:37,180 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:35:37,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:35:37,181 INFO L168 Benchmark]: Toolchain (without parser) took 1730.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:37,183 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-01 20:35:37,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:37,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:37,185 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:37,185 INFO L168 Benchmark]: RCFGBuilder took 349.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:37,188 INFO L168 Benchmark]: TraceAbstraction took 928.72 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:37,189 INFO L168 Benchmark]: Witness Printer took 48.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:37,195 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 327.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 41.97 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 349.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 928.72 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x > 0 && y < 0 [L27] EXPR x + y [L27] x = x + y [L28] y - 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. UNSAFE Result, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 20 SDslu, 3 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 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...