./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/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 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:32,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:32,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:32,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:32,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:32,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:32,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:32,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:32,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:32,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:32,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:32,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:32,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:32,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:32,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:32,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:32,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:32,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:32,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:32,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:32,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:32,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:32,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:32,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:32,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:32,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:32,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:32,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:32,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:32,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:32,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:32,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:32,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:32,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:32,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:32,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:32,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:32,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:32,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:32,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:32,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:32,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-10-22 11:24:32,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:32,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:32,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:32,654 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:32,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:32,654 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:32,655 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:32,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:32,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:32,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:32,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:32,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:32,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:32,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:32,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:32,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:32,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:32,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:32,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:32,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:32,660 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:32,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:32,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:32,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:32,660 INFO L138 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_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/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 -> 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b [2019-10-22 11:24:32,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:32,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:32,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:32,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:32,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:32,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2019-10-22 11:24:32,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/data/22fa4884b/65c62726296a4d7bb7dd5e3783d8cc9d/FLAG9af06e927 [2019-10-22 11:24:33,210 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:33,212 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2019-10-22 11:24:33,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/data/22fa4884b/65c62726296a4d7bb7dd5e3783d8cc9d/FLAG9af06e927 [2019-10-22 11:24:33,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/data/22fa4884b/65c62726296a4d7bb7dd5e3783d8cc9d [2019-10-22 11:24:33,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:33,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:33,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:33,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:33,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:33,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:33" (1/1) ... [2019-10-22 11:24:33,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:33, skipping insertion in model container [2019-10-22 11:24:33,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:33" (1/1) ... [2019-10-22 11:24:33,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:33,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:34,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:34,051 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:34,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:34,152 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:34,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34 WrapperNode [2019-10-22 11:24:34,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:34,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:34,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:34,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:34,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:34,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:34,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:34,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:34,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... [2019-10-22 11:24:34,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:34,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:34,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:34,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:34,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/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 [2019-10-22 11:24:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:34,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:34,418 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:24:34,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:34 BoogieIcfgContainer [2019-10-22 11:24:34,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:34,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:34,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:34,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:34,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:33" (1/3) ... [2019-10-22 11:24:34,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4627c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:34, skipping insertion in model container [2019-10-22 11:24:34,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:34" (2/3) ... [2019-10-22 11:24:34,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4627c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:34, skipping insertion in model container [2019-10-22 11:24:34,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:34" (3/3) ... [2019-10-22 11:24:34,429 INFO L109 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2019-10-22 11:24:34,439 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:34,445 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:24:34,458 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:24:34,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:34,485 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:34,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:34,486 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:34,486 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:34,486 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:34,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:34,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-10-22 11:24:34,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:34,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2019-10-22 11:24:34,546 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,546 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,546 INFO L446 ceAbstractionStarter]: At program point L334(lines 331 335) the Hoare annotation is: true [2019-10-22 11:24:34,546 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,546 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:34 BoogieIcfgContainer [2019-10-22 11:24:34,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:34,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:34,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:34,555 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:34,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:34" (3/4) ... [2019-10-22 11:24:34,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:34,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 11:24:34,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:34,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:34,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:34,599 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbef0ecd-8bc2-4d6d-b635-40aa067b277e/bin/utaipan/witness.graphml [2019-10-22 11:24:34,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:34,601 INFO L168 Benchmark]: Toolchain (without parser) took 862.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 31.8 kB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,601 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:34,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:34,603 INFO L168 Benchmark]: Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,603 INFO L168 Benchmark]: RCFGBuilder took 212.91 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,604 INFO L168 Benchmark]: TraceAbstraction took 134.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,604 INFO L168 Benchmark]: Witness Printer took 44.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 212.91 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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. - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...