./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/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 32bit --witnessprinter.graph.data.programhash f345f307410a5ddbdd0513896d69ca703c67be23 ............................................................................................................................................................................................................................................ 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 11:22:58,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:58,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:58,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:58,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:58,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:58,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:58,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:58,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:58,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:58,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:58,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:58,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:58,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:58,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:58,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:58,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:58,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:58,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:58,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:58,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:58,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:58,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:58,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:58,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:58,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:58,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:58,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:58,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:58,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:58,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:58,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:58,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:58,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:58,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:58,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:58,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:58,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:58,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:58,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:58,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:58,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:22:58,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:58,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:58,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:58,615 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:58,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:58,615 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:58,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:58,615 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:58,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:58,616 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:58,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:58,616 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:58,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:58,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:58,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:58,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:58,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:58,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:58,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:58,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:58,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:58,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:58,620 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:58,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:58,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:58,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:58,620 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_63206556-670b-4de6-943f-9fb093e921c9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f345f307410a5ddbdd0513896d69ca703c67be23 [2019-10-22 11:22:58,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:58,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:58,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:58,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:58,670 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:58,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-10-22 11:22:58,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/data/21e6f450f/795c8cd55aa2468e973023f832e8fb43/FLAG0612a7eeb [2019-10-22 11:22:59,120 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:59,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-10-22 11:22:59,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/data/21e6f450f/795c8cd55aa2468e973023f832e8fb43/FLAG0612a7eeb [2019-10-22 11:22:59,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/data/21e6f450f/795c8cd55aa2468e973023f832e8fb43 [2019-10-22 11:22:59,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:59,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:59,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:59,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:59,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:59,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420a83e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59, skipping insertion in model container [2019-10-22 11:22:59,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,546 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:59,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:59,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:59,701 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:59,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:59,819 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:59,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59 WrapperNode [2019-10-22 11:22:59,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:59,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:59,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:59,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:59,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:59,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:59,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:59,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:59,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:59,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:59,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:59,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:59,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/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 11:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-10-22 11:22:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-10-22 11:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-10-22 11:22:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-10-22 11:23:00,067 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:00,068 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:23:00,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:00 BoogieIcfgContainer [2019-10-22 11:23:00,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:00,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:00,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:00,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:00,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:59" (1/3) ... [2019-10-22 11:23:00,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2112e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:00, skipping insertion in model container [2019-10-22 11:23:00,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (2/3) ... [2019-10-22 11:23:00,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2112e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:00, skipping insertion in model container [2019-10-22 11:23:00,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:00" (3/3) ... [2019-10-22 11:23:00,076 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2019-10-22 11:23:00,084 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:00,090 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:23:00,100 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:23:00,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:00,121 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:00,122 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:00,122 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:00,122 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:00,122 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:00,122 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:00,122 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-10-22 11:23:00,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:00,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-10-22 11:23:00,275 INFO L443 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-10-22 11:23:00,275 INFO L446 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-10-22 11:23:00,275 INFO L443 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L446 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:00,276 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 11:23:00,277 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-10-22 11:23:00,277 INFO L446 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-10-22 11:23:00,281 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-10-22 11:23:00,281 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-10-22 11:23:00,281 INFO L443 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-10-22 11:23:00,281 INFO L443 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-10-22 11:23:00,281 INFO L443 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-10-22 11:23:00,281 INFO L446 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-10-22 11:23:00,282 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-10-22 11:23:00,282 INFO L443 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-10-22 11:23:00,282 INFO L446 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-10-22 11:23:00,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:00 BoogieIcfgContainer [2019-10-22 11:23:00,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:00,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:00,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:00,287 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:00,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:00" (3/4) ... [2019-10-22 11:23:00,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:00,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-10-22 11:23:00,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-10-22 11:23:00,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:23:00,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:00,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_63206556-670b-4de6-943f-9fb093e921c9/bin/utaipan/witness.graphml [2019-10-22 11:23:00,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:00,359 INFO L168 Benchmark]: Toolchain (without parser) took 827.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:00,360 INFO L168 Benchmark]: CDTParser took 0.15 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 11:23:00,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.04 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 11:23:00,363 INFO L168 Benchmark]: Boogie Preprocessor took 15.66 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 11:23:00,367 INFO L168 Benchmark]: RCFGBuilder took 202.09 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,367 INFO L168 Benchmark]: TraceAbstraction took 216.33 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,368 INFO L168 Benchmark]: Witness Printer took 71.31 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 11:23:00,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 287.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.04 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 15.66 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. * RCFGBuilder took 202.09 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 216.33 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 71.31 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. * 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 3 procedures, 22 locations, 0 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...