./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer --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 bc157475d6c321934f68f6b441d83c0582720461 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:05:11,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:05:11,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:05:11,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:05:11,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:05:11,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:05:11,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:05:11,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:05:11,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:05:11,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:05:11,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:05:11,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:05:11,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:05:11,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:05:11,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:05:11,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:05:11,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:05:11,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:05:11,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:05:11,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:05:11,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:05:11,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:05:11,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:05:11,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:05:11,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:05:11,690 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:05:11,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:05:11,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:05:11,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:05:11,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:05:11,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:05:11,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:05:11,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:05:11,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:05:11,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:05:11,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:05:11,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 07:05:11,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:05:11,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:05:11,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:05:11,708 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:05:11,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:05:11,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:05:11,709 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:05:11,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:05:11,709 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:05:11,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 07:05:11,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:05:11,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:05:11,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:05:11,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:05:11,712 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:05:11,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:05:11,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:05:11,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:05:11,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:05:11,712 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer 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 -> bc157475d6c321934f68f6b441d83c0582720461 [2018-11-23 07:05:11,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:05:11,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:05:11,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:05:11,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:05:11,751 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:05:11,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-23 07:05:11,793 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/data/878545298/433bd0ea9e25475797881e264f67f0c6/FLAG71a62b54c [2018-11-23 07:05:12,136 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:05:12,136 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-23 07:05:12,141 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/data/878545298/433bd0ea9e25475797881e264f67f0c6/FLAG71a62b54c [2018-11-23 07:05:12,152 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/data/878545298/433bd0ea9e25475797881e264f67f0c6 [2018-11-23 07:05:12,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:05:12,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:05:12,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:05:12,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:05:12,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:05:12,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12, skipping insertion in model container [2018-11-23 07:05:12,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:05:12,183 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:05:12,302 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:05:12,305 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:05:12,315 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:05:12,325 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:05:12,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12 WrapperNode [2018-11-23 07:05:12,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:05:12,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:05:12,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:05:12,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:05:12,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:05:12,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:05:12,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:05:12,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:05:12,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... [2018-11-23 07:05:12,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:05:12,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:05:12,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:05:12,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:05:12,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/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 07:05:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:05:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:05:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:05:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:05:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:05:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:05:12,549 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:05:12,549 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:05:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:05:12 BoogieIcfgContainer [2018-11-23 07:05:12,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:05:12,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:05:12,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:05:12,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:05:12,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:05:12" (1/3) ... [2018-11-23 07:05:12,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f63219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:05:12, skipping insertion in model container [2018-11-23 07:05:12,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:05:12" (2/3) ... [2018-11-23 07:05:12,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f63219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:05:12, skipping insertion in model container [2018-11-23 07:05:12,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:05:12" (3/3) ... [2018-11-23 07:05:12,556 INFO L112 eAbstractionObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-23 07:05:12,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:05:12,568 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 07:05:12,581 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 07:05:12,604 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:05:12,604 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:05:12,604 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:05:12,604 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:05:12,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:05:12,604 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:05:12,604 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:05:12,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:05:12,605 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:05:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-23 07:05:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 07:05:12,622 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:05:12,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:05:12,625 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 07:05:12,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:05:12,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1374165563, now seen corresponding path program 1 times [2018-11-23 07:05:12,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:05:12,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:05:12,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:05:12,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:05:12,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:05:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:05:12,753 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 07:05:12,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:05:12,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:05:12,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:05:12,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:05:12,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:05:12,768 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2018-11-23 07:05:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:05:12,887 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2018-11-23 07:05:12,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:05:12,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-23 07:05:12,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:05:12,897 INFO L225 Difference]: With dead ends: 28 [2018-11-23 07:05:12,897 INFO L226 Difference]: Without dead ends: 16 [2018-11-23 07:05:12,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:05:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-23 07:05:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-11-23 07:05:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 07:05:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-11-23 07:05:12,935 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2018-11-23 07:05:12,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:05:12,935 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-11-23 07:05:12,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:05:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 07:05:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:05:12,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:05:12,936 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:05:12,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 07:05:12,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:05:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash 350540557, now seen corresponding path program 1 times [2018-11-23 07:05:12,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:05:12,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:05:12,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:05:12,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:05:12,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:05:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:05:13,002 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 07:05:13,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:05:13,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:05:13,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:05:13,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:05:13,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:05:13,005 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 4 states. [2018-11-23 07:05:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:05:13,070 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2018-11-23 07:05:13,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:05:13,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-23 07:05:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:05:13,071 INFO L225 Difference]: With dead ends: 14 [2018-11-23 07:05:13,071 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:05:13,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:05:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:05:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:05:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:05:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:05:13,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 07:05:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:05:13,073 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:05:13,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:05:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:05:13,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:05:13,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:05:13,088 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 07:05:13,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:05:13,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:05:13,088 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 07:05:13,088 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:05:13,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:05:13,088 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 28) no Hoare annotation was computed. [2018-11-23 07:05:13,088 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L444 ceAbstractionStarter]: At program point L23-1(lines 17 26) the Hoare annotation is: (<= 0 (+ main_~x~0 2147483648)) [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 26) no Hoare annotation was computed. [2018-11-23 07:05:13,089 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 28) no Hoare annotation was computed. [2018-11-23 07:05:13,090 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-23 07:05:13,090 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-23 07:05:13,090 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 28) the Hoare annotation is: true [2018-11-23 07:05:13,090 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-23 07:05:13,090 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-23 07:05:13,090 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 17 26) no Hoare annotation was computed. [2018-11-23 07:05:13,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:05:13 BoogieIcfgContainer [2018-11-23 07:05:13,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:05:13,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:05:13,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:05:13,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:05:13,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:05:12" (3/4) ... [2018-11-23 07:05:13,105 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:05:13,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:05:13,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:05:13,112 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:05:13,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:05:13,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:05:13,143 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc309396-4b5c-472a-a149-2490b03302ec/bin-2019/uautomizer/witness.graphml [2018-11-23 07:05:13,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:05:13,144 INFO L168 Benchmark]: Toolchain (without parser) took 988.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,145 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:05:13,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.96 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:05:13,146 INFO L168 Benchmark]: Boogie Preprocessor took 13.90 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,147 INFO L168 Benchmark]: RCFGBuilder took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,147 INFO L168 Benchmark]: TraceAbstraction took 549.42 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,148 INFO L168 Benchmark]: Witness Printer took 42.97 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: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:05:13,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.96 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.90 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 549.42 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.97 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: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 4 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 14 SDslu, 33 SDs, 0 SdLazy, 30 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 9 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...