./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/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 32bit --witnessprinter.graph.data.programhash 301c54c8b861008a1cf318e5b7f3396bc86db7c8 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:32:50,629 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:32:50,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:32:50,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:32:50,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:32:50,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:32:50,638 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:32:50,639 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:32:50,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:32:50,641 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:32:50,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:32:50,642 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:32:50,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:32:50,643 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:32:50,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:32:50,644 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:32:50,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:32:50,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:32:50,647 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:32:50,648 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:32:50,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:32:50,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:32:50,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:32:50,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:32:50,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:32:50,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:32:50,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:32:50,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:32:50,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:32:50,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:32:50,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:32:50,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:32:50,656 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:32:50,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:32:50,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:32:50,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:32:50,657 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-18 17:32:50,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:32:50,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:32:50,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:32:50,668 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:32:50,668 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:32:50,668 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:32:50,668 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:32:50,669 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:32:50,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:32:50,670 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:32:50,671 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:32:50,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:32:50,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:32:50,672 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:32:50,673 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:32:50,673 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:32:50,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:32:50,673 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:32:50,673 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_b58521ee-1544-4837-9040-6da11119df51/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2018-11-18 17:32:50,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:32:50,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:32:50,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:32:50,706 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:32:50,706 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:32:50,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:32:50,742 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/data/c5e9329d6/64c090d8fd614a16a187cc6e067f3a34/FLAG45dbc395e [2018-11-18 17:32:51,047 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:32:51,047 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:32:51,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/data/c5e9329d6/64c090d8fd614a16a187cc6e067f3a34/FLAG45dbc395e [2018-11-18 17:32:51,059 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/data/c5e9329d6/64c090d8fd614a16a187cc6e067f3a34 [2018-11-18 17:32:51,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:32:51,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:32:51,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:32:51,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:32:51,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:32:51,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22909f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51, skipping insertion in model container [2018-11-18 17:32:51,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:32:51,086 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:32:51,190 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:32:51,192 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:32:51,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:32:51,211 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:32:51,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51 WrapperNode [2018-11-18 17:32:51,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:32:51,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:32:51,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:32:51,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:32:51,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:32:51,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:32:51,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:32:51,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:32:51,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... [2018-11-18 17:32:51,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:32:51,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:32:51,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:32:51,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:32:51,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/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 [2018-11-18 17:32:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:32:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:32:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:32:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:32:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-11-18 17:32:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-11-18 17:32:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:32:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:32:51,395 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:32:51,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:51 BoogieIcfgContainer [2018-11-18 17:32:51,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:32:51,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:32:51,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:32:51,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:32:51,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:32:51" (1/3) ... [2018-11-18 17:32:51,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5ddc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:32:51, skipping insertion in model container [2018-11-18 17:32:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:32:51" (2/3) ... [2018-11-18 17:32:51,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5ddc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:32:51, skipping insertion in model container [2018-11-18 17:32:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:51" (3/3) ... [2018-11-18 17:32:51,402 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:32:51,410 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:32:51,415 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-18 17:32:51,424 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-18 17:32:51,448 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:32:51,448 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:32:51,448 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:32:51,448 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:32:51,448 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:32:51,448 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:32:51,449 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:32:51,449 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:32:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-18 17:32:51,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:32:51,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2018-11-18 17:32:51,512 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 17:32:51,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:32:51,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:32:51,512 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 17:32:51,512 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:32:51,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:32:51,512 INFO L425 ceAbstractionStarter]: For program point sumEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-18 17:32:51,512 INFO L428 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: true [2018-11-18 17:32:51,512 INFO L425 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 9) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point sumFINAL(lines 4 10) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L428 ceAbstractionStarter]: At program point sumENTRY(lines 4 10) the Hoare annotation is: true [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L428 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: true [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point L16-2(lines 12 19) no Hoare annotation was computed. [2018-11-18 17:32:51,513 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 12 19) the Hoare annotation is: true [2018-11-18 17:32:51,513 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 12 19) no Hoare annotation was computed. [2018-11-18 17:32:51,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:32:51 BoogieIcfgContainer [2018-11-18 17:32:51,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:32:51,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:32:51,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:32:51,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:32:51,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:51" (3/4) ... [2018-11-18 17:32:51,519 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:32:51,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:32:51,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2018-11-18 17:32:51,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:32:51,527 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:32:51,527 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:32:51,527 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:32:51,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b58521ee-1544-4837-9040-6da11119df51/bin-2019/utaipan/witness.graphml [2018-11-18 17:32:51,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:32:51,554 INFO L168 Benchmark]: Toolchain (without parser) took 491.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:32:51,555 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:32:51,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.89 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:51,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:32:51,556 INFO L168 Benchmark]: Boogie Preprocessor took 10.30 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:51,556 INFO L168 Benchmark]: RCFGBuilder took 161.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:51,557 INFO L168 Benchmark]: TraceAbstraction took 119.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:51,557 INFO L168 Benchmark]: Witness Printer took 36.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:32:51,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.89 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 12.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.30 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 161.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...