./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/sum02_false-unreach-call_true-no-overflow.i --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_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/sum02_false-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/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 f2964994cdaa1e60b18f6e8e9960cc97625ea606 ............................................................................................................................................................................................................................................... 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 11:31:43,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:31:43,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:31:43,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:31:43,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:31:43,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:31:43,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:31:43,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:31:43,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:31:43,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:31:43,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:31:43,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:31:43,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:31:43,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:31:43,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:31:43,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:31:43,657 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:31:43,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:31:43,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:31:43,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:31:43,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:31:43,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:31:43,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:31:43,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:31:43,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:31:43,668 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:31:43,669 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:31:43,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:31:43,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:31:43,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:31:43,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:31:43,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:31:43,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:31:43,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:31:43,675 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:31:43,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:31:43,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-18 11:31:43,691 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:31:43,691 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:31:43,692 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:31:43,692 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:31:43,692 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:31:43,692 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:31:43,693 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:31:43,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:31:43,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:31:43,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:31:43,694 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:31:43,695 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:31:43,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:31:43,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:31:43,696 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:31:43,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:31:43,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:31:43,696 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:31:43,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:31:43,697 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:31:43,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:31:43,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:31:43,698 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:31:43,698 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_990d221c-a1eb-4f40-b7ad-8470aa275dcc/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 -> f2964994cdaa1e60b18f6e8e9960cc97625ea606 [2018-11-18 11:31:43,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:31:43,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:31:43,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:31:43,748 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:31:43,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:31:43,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/sum02_false-unreach-call_true-no-overflow.i [2018-11-18 11:31:43,811 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/data/48cc27749/da4d4e8b8fa349cbaee21cd5442a3150/FLAGa420cfbf6 [2018-11-18 11:31:44,165 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:31:44,165 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/sv-benchmarks/c/bitvector/sum02_false-unreach-call_true-no-overflow.i [2018-11-18 11:31:44,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/data/48cc27749/da4d4e8b8fa349cbaee21cd5442a3150/FLAGa420cfbf6 [2018-11-18 11:31:44,183 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/data/48cc27749/da4d4e8b8fa349cbaee21cd5442a3150 [2018-11-18 11:31:44,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:31:44,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:31:44,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:31:44,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:31:44,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:31:44,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6578f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44, skipping insertion in model container [2018-11-18 11:31:44,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:31:44,222 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:31:44,372 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:31:44,376 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:31:44,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:31:44,412 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:31:44,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44 WrapperNode [2018-11-18 11:31:44,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:31:44,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:31:44,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:31:44,414 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:31:44,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:31:44,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:31:44,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:31:44,452 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:31:44,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... [2018-11-18 11:31:44,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:31:44,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:31:44,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:31:44,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:31:44,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/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 11:31:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:31:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:31:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:31:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:31:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:31:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:31:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 11:31:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 11:31:44,670 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:31:44,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:31:44 BoogieIcfgContainer [2018-11-18 11:31:44,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:31:44,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:31:44,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:31:44,673 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:31:44,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:31:44" (1/3) ... [2018-11-18 11:31:44,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c05e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:31:44, skipping insertion in model container [2018-11-18 11:31:44,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:31:44" (2/3) ... [2018-11-18 11:31:44,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c05e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:31:44, skipping insertion in model container [2018-11-18 11:31:44,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:31:44" (3/3) ... [2018-11-18 11:31:44,676 INFO L112 eAbstractionObserver]: Analyzing ICFG sum02_false-unreach-call_true-no-overflow.i [2018-11-18 11:31:44,682 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:31:44,687 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-18 11:31:44,696 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-18 11:31:44,722 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:31:44,722 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:31:44,722 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:31:44,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:31:44,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:31:44,723 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:31:44,723 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:31:44,723 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:31:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-18 11:31:44,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:31:44,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2018-11-18 11:31:44,807 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 11:31:44,807 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:31:44,807 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:31:44,807 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:31:44,808 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:31:44,808 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:31:44,808 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 16) the Hoare annotation is: true [2018-11-18 11:31:44,808 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 16) no Hoare annotation was computed. [2018-11-18 11:31:44,808 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 16) no Hoare annotation was computed. [2018-11-18 11:31:44,808 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 14) no Hoare annotation was computed. [2018-11-18 11:31:44,808 INFO L425 ceAbstractionStarter]: For program point L12-3(lines 12 14) no Hoare annotation was computed. [2018-11-18 11:31:44,809 INFO L428 ceAbstractionStarter]: At program point L12-4(lines 12 14) the Hoare annotation is: true [2018-11-18 11:31:44,809 INFO L428 ceAbstractionStarter]: At program point L12-5(lines 12 14) the Hoare annotation is: true [2018-11-18 11:31:44,809 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-18 11:31:44,809 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-18 11:31:44,809 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-18 11:31:44,809 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-18 11:31:44,809 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-18 11:31:44,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:31:44 BoogieIcfgContainer [2018-11-18 11:31:44,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:31:44,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:31:44,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:31:44,817 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:31:44,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:31:44" (3/4) ... [2018-11-18 11:31:44,821 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:31:44,828 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:31:44,829 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:31:44,829 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 11:31:44,832 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 11:31:44,832 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 11:31:44,833 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:31:44,870 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_990d221c-a1eb-4f40-b7ad-8470aa275dcc/bin-2019/utaipan/witness.graphml [2018-11-18 11:31:44,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:31:44,871 INFO L168 Benchmark]: Toolchain (without parser) took 684.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:44,873 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:44,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:44,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.97 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:44,875 INFO L168 Benchmark]: Boogie Preprocessor took 16.43 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:44,875 INFO L168 Benchmark]: RCFGBuilder took 201.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:44,876 INFO L168 Benchmark]: TraceAbstraction took 145.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:44,878 INFO L168 Benchmark]: Witness Printer took 53.73 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:44,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.97 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.43 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 201.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 145.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.73 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: 3.3 MB). Peak memory consumption was 3.3 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: 12]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 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=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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 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...