./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi03-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi03-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/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 887ada769b510ae5d273618525924110908f2b5f ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:40:58,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:40:58,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:40:58,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:40:58,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:40:58,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:40:58,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:40:58,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:40:58,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:40:58,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:40:58,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:40:58,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:40:58,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:40:58,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:40:58,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:40:58,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:40:58,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:40:58,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:40:58,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:40:58,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:40:58,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:40:58,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:40:58,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:40:58,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:40:58,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:40:58,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:40:58,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:40:58,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:40:58,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:40:58,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:40:58,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:40:58,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:40:58,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:40:58,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:40:58,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:40:58,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:40:58,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:40:58,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:40:58,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:40:58,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:40:58,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:40:58,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-11-26 02:40:58,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:40:58,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:40:58,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:40:58,640 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:40:58,640 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:40:58,640 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:40:58,641 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:40:58,641 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:40:58,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:40:58,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:40:58,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:40:58,642 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:40:58,642 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:40:58,642 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:40:58,642 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:40:58,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:40:58,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:40:58,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:40:58,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:40:58,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:40:58,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:40:58,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:40:58,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:40:58,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:40:58,646 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:40:58,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:40:58,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:40:58,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:40:58,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:40:58,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:40:58,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:40:58,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:40:58,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:40:58,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:40:58,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:40:58,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:40:58,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:40:58,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:40:58,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:40:58,649 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/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/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 -> 887ada769b510ae5d273618525924110908f2b5f [2019-11-26 02:40:58,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:40:58,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:40:58,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:40:58,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:40:58,800 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:40:58,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/../../sv-benchmarks/c/recursive/recHanoi03-2.c [2019-11-26 02:40:58,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/data/a57b79297/0a4135ef3ab2400f88b95b1810ebadd3/FLAGbe35c5a93 [2019-11-26 02:40:59,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:40:59,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/sv-benchmarks/c/recursive/recHanoi03-2.c [2019-11-26 02:40:59,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/data/a57b79297/0a4135ef3ab2400f88b95b1810ebadd3/FLAGbe35c5a93 [2019-11-26 02:40:59,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/data/a57b79297/0a4135ef3ab2400f88b95b1810ebadd3 [2019-11-26 02:40:59,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:40:59,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:40:59,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:59,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:40:59,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:40:59,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df061d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59, skipping insertion in model container [2019-11-26 02:40:59,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:40:59,292 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:40:59,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:59,425 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:40:59,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:59,517 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:40:59,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59 WrapperNode [2019-11-26 02:40:59,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:59,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:59,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:40:59,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:40:59,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:59,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:40:59,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:40:59,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:40:59,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... [2019-11-26 02:40:59,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:40:59,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:40:59,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:40:59,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:40:59,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/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 [2019-11-26 02:40:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-11-26 02:40:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-11-26 02:40:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:40:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:40:59,907 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:40:59,907 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:40:59,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:59 BoogieIcfgContainer [2019-11-26 02:40:59,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:40:59,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:40:59,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:40:59,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:40:59,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:40:59" (1/3) ... [2019-11-26 02:40:59,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:40:59, skipping insertion in model container [2019-11-26 02:40:59,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:59" (2/3) ... [2019-11-26 02:40:59,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:40:59, skipping insertion in model container [2019-11-26 02:40:59,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:59" (3/3) ... [2019-11-26 02:40:59,914 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi03-2.c [2019-11-26 02:40:59,923 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:40:59,929 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:40:59,939 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:40:59,958 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:40:59,958 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:40:59,959 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:40:59,959 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:40:59,959 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:40:59,959 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:40:59,959 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:40:59,960 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:40:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-26 02:40:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:40:59,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:40:59,981 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:40:59,982 INFO L410 AbstractCegarLoop]: === Iteration 1 === [hanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:40:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:40:59,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1513948958, now seen corresponding path program 1 times [2019-11-26 02:40:59,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:40:59,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302178183] [2019-11-26 02:40:59,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:00,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302178183] [2019-11-26 02:41:00,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:00,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:41:00,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641166808] [2019-11-26 02:41:00,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:41:00,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:00,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:41:00,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:41:00,145 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-11-26 02:41:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:00,232 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-11-26 02:41:00,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:41:00,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-26 02:41:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:00,241 INFO L225 Difference]: With dead ends: 26 [2019-11-26 02:41:00,241 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:41:00,243 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:41:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:41:00,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:41:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:41:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-26 02:41:00,275 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 6 [2019-11-26 02:41:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:00,275 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-26 02:41:00,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:41:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-26 02:41:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:41:00,276 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:00,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:00,276 INFO L410 AbstractCegarLoop]: === Iteration 2 === [hanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:41:00,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:00,277 INFO L82 PathProgramCache]: Analyzing trace with hash -312222520, now seen corresponding path program 1 times [2019-11-26 02:41:00,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:00,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360320819] [2019-11-26 02:41:00,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:00,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360320819] [2019-11-26 02:41:00,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:00,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:41:00,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545039764] [2019-11-26 02:41:00,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:41:00,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:00,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:41:00,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:41:00,323 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 5 states. [2019-11-26 02:41:00,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:00,378 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2019-11-26 02:41:00,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:41:00,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-26 02:41:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:00,381 INFO L225 Difference]: With dead ends: 39 [2019-11-26 02:41:00,381 INFO L226 Difference]: Without dead ends: 36 [2019-11-26 02:41:00,382 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:41:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-26 02:41:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-11-26 02:41:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-26 02:41:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-11-26 02:41:00,391 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 7 [2019-11-26 02:41:00,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:00,392 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-11-26 02:41:00,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:41:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-11-26 02:41:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:41:00,393 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:00,393 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:00,394 INFO L410 AbstractCegarLoop]: === Iteration 3 === [hanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:41:00,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:00,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1144431293, now seen corresponding path program 1 times [2019-11-26 02:41:00,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:00,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365759015] [2019-11-26 02:41:00,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:00,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365759015] [2019-11-26 02:41:00,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207569518] [2019-11-26 02:41:00,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_76a95b23-aaa5-4c2d-9aa1-69abdd3b876c/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-11-26 02:41:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:00,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:41:00,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:41:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:00,531 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:41:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:00,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [835588918] [2019-11-26 02:41:00,623 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-26 02:41:00,623 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:41:00,632 FATAL L310 FreeRefinementEngine]: Exception during interpolant generation: IllegalArgumentException [2019-11-26 02:41:00,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:41:00,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:41:00,839 INFO L168 Benchmark]: Toolchain (without parser) took 1581.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:00,840 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:00,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:00,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:00,842 INFO L168 Benchmark]: Boogie Preprocessor took 13.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:00,842 INFO L168 Benchmark]: RCFGBuilder took 349.38 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:00,843 INFO L168 Benchmark]: TraceAbstraction took 928.79 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:00,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 349.38 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 928.79 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...