./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:37:53,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:37:53,172 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:37:53,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:37:53,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:37:53,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:37:53,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:37:53,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:37:53,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:37:53,183 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:37:53,184 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:37:53,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:37:53,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:37:53,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:37:53,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:37:53,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:37:53,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:37:53,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:37:53,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:37:53,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:37:53,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:37:53,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:37:53,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:37:53,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:37:53,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:37:53,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:37:53,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:37:53,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:37:53,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:37:53,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:37:53,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:37:53,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:37:53,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:37:53,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:37:53,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:37:53,200 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:37:53,201 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 05:37:53,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:37:53,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:37:53,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:37:53,212 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:37:53,212 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:37:53,212 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:37:53,212 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:37:53,213 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:37:53,213 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:37:53,213 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:37:53,213 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:37:53,214 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:37:53,214 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:37:53,214 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:37:53,214 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:37:53,214 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:37:53,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:37:53,215 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:37:53,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:37:53,216 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:37:53,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:37:53,216 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:37:53,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:37:53,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:37:53,216 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:37:53,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:37:53,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:37:53,217 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:37:53,217 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan 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 -> Taipan 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 -> 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 [2018-11-10 05:37:53,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:37:53,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:37:53,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:37:53,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:37:53,252 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:37:53,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i [2018-11-10 05:37:53,291 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/data/7a76a6b6a/23afd8e391bc4bb2a193c79fc2d56faa/FLAGf55d61897 [2018-11-10 05:37:53,634 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:37:53,634 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i [2018-11-10 05:37:53,640 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/data/7a76a6b6a/23afd8e391bc4bb2a193c79fc2d56faa/FLAGf55d61897 [2018-11-10 05:37:53,648 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/data/7a76a6b6a/23afd8e391bc4bb2a193c79fc2d56faa [2018-11-10 05:37:53,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:37:53,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:37:53,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:37:53,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:37:53,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:37:53,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a31769b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53, skipping insertion in model container [2018-11-10 05:37:53,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:37:53,685 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:37:53,847 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:37:53,850 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:37:53,875 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:37:53,897 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:37:53,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53 WrapperNode [2018-11-10 05:37:53,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:37:53,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:37:53,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:37:53,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:37:53,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:37:53,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:37:53,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:37:53,971 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:37:53,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... [2018-11-10 05:37:53,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:37:53,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:37:53,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:37:53,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:37:53,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/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 [2018-11-10 05:37:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:37:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:37:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:37:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:37:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:37:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:37:54,192 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:37:54,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:37:54 BoogieIcfgContainer [2018-11-10 05:37:54,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:37:54,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:37:54,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:37:54,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:37:54,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:37:53" (1/3) ... [2018-11-10 05:37:54,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f9fa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:37:54, skipping insertion in model container [2018-11-10 05:37:54,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:53" (2/3) ... [2018-11-10 05:37:54,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f9fa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:37:54, skipping insertion in model container [2018-11-10 05:37:54,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:37:54" (3/3) ... [2018-11-10 05:37:54,199 INFO L112 eAbstractionObserver]: Analyzing ICFG IntegerPromotion_true-no-overflow_true-termination.c.i [2018-11-10 05:37:54,207 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:37:54,215 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 05:37:54,228 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 05:37:54,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:37:54,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:37:54,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:37:54,256 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:37:54,256 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:37:54,256 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:37:54,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:37:54,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:37:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 05:37:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:37:54,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:37:54,277 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:37:54,279 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:37:54,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:37:54,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2123086959, now seen corresponding path program 1 times [2018-11-10 05:37:54,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:37:54,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:37:54,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:37:54,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:37:54,329 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:37:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:37:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:37:54,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:37:54,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:37:54,409 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:37:54,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:37:54,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:37:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:37:54,422 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-11-10 05:37:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:37:54,452 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-10 05:37:54,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:37:54,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 05:37:54,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:37:54,462 INFO L225 Difference]: With dead ends: 18 [2018-11-10 05:37:54,462 INFO L226 Difference]: Without dead ends: 12 [2018-11-10 05:37:54,465 INFO L605 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 [2018-11-10 05:37:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-10 05:37:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-10 05:37:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-10 05:37:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2018-11-10 05:37:54,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2018-11-10 05:37:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:37:54,490 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2018-11-10 05:37:54,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:37:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2018-11-10 05:37:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:37:54,491 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:37:54,491 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:37:54,492 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:37:54,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:37:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1391186250, now seen corresponding path program 1 times [2018-11-10 05:37:54,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:37:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:37:54,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:37:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:37:54,493 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:37:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:37:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:37:54,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:37:54,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:37:54,514 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:37:54,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:37:54,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:37:54,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:37:54,516 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 3 states. [2018-11-10 05:37:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:37:54,528 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2018-11-10 05:37:54,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:37:54,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 05:37:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:37:54,529 INFO L225 Difference]: With dead ends: 12 [2018-11-10 05:37:54,529 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:37:54,530 INFO L605 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 [2018-11-10 05:37:54,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:37:54,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:37:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:37:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:37:54,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-11-10 05:37:54,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:37:54,531 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:37:54,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:37:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:37:54,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:37:54,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:37:54,546 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:37:54,546 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:37:54,546 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:37:54,546 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:37:54,546 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 05:37:54,547 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:37:54,547 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 331 336) the Hoare annotation is: true [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 331 336) no Hoare annotation was computed. [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,547 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,548 INFO L425 ceAbstractionStarter]: For program point L333-2(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,548 INFO L425 ceAbstractionStarter]: For program point L333-3(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,548 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,548 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 331 336) no Hoare annotation was computed. [2018-11-10 05:37:54,548 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2018-11-10 05:37:54,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:37:54 BoogieIcfgContainer [2018-11-10 05:37:54,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:37:54,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:37:54,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:37:54,551 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:37:54,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:37:54" (3/4) ... [2018-11-10 05:37:54,554 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:37:54,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:37:54,561 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:37:54,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 05:37:54,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 05:37:54,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:37:54,586 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1badeaac-9857-47d1-84db-23ec78ff2388/bin-2019/utaipan/witness.graphml [2018-11-10 05:37:54,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:37:54,587 INFO L168 Benchmark]: Toolchain (without parser) took 935.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -92.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,588 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:37:54,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.41 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 937.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,589 INFO L168 Benchmark]: Boogie Preprocessor took 9.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,590 INFO L168 Benchmark]: RCFGBuilder took 211.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,590 INFO L168 Benchmark]: TraceAbstraction took 357.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,590 INFO L168 Benchmark]: Witness Printer took 35.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:37:54,593 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.41 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 937.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Witness Printer took 35.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 4 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 9 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 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...