./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f48e7b9931723f1165b5bb8f3d86571b9aa1aa14 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:34:32,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:34:32,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:34:32,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:34:32,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:34:32,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:34:32,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:34:32,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:34:32,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:34:32,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:34:32,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:34:32,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:34:32,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:34:32,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:34:32,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:34:32,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:34:32,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:34:33,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:34:33,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:34:33,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:34:33,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:34:33,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:34:33,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:34:33,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:34:33,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:34:33,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:34:33,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:34:33,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:34:33,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:34:33,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:34:33,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:34:33,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:34:33,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:34:33,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:34:33,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:34:33,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:34:33,011 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:34:33,021 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:34:33,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:34:33,022 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:34:33,022 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:34:33,022 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:34:33,022 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:34:33,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:34:33,023 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:34:33,024 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:34:33,024 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:34:33,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:34:33,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:34:33,025 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak 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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> f48e7b9931723f1165b5bb8f3d86571b9aa1aa14 [2018-11-10 08:34:33,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:34:33,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:34:33,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:34:33,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:34:33,063 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:34:33,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/../../sv-benchmarks/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 08:34:33,104 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/data/84e1c4306/4f03b1aeda434f3bb106ce1c22456d1f/FLAGcd61e3144 [2018-11-10 08:34:33,523 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:34:33,524 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/sv-benchmarks/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 08:34:33,529 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/data/84e1c4306/4f03b1aeda434f3bb106ce1c22456d1f/FLAGcd61e3144 [2018-11-10 08:34:33,540 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/data/84e1c4306/4f03b1aeda434f3bb106ce1c22456d1f [2018-11-10 08:34:33,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:34:33,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:34:33,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:33,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:34:33,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:34:33,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33, skipping insertion in model container [2018-11-10 08:34:33,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:34:33,567 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:34:33,660 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:33,662 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:34:33,671 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:33,678 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:34:33,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33 WrapperNode [2018-11-10 08:34:33,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:33,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:34:33,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:34:33,679 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:34:33,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:34:33,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:34:33,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:34:33,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:34:33,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:34:33,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:34:33,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:34:33,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:34:33,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 08:34:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2018-11-10 08:34:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2018-11-10 08:34:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:34:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:34:33,866 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:34:33,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:34:33 BoogieIcfgContainer [2018-11-10 08:34:33,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:34:33,867 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:34:33,867 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:34:33,875 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:34:33,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:34:33" (1/1) ... [2018-11-10 08:34:33,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:34:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:34:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 08:34:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 08:34:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:34:33,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:34:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:34:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:34:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-10 08:34:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-10 08:34:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:34:34,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:34:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 08:34:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:34:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 08:34:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 08:34:34,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:34:34,308 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 08:34:34,316 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:34:34,339 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:34:34,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:34:34 ImpRootNode [2018-11-10 08:34:34,341 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:34:34,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:34:34,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:34:34,341 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:34:34,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:34:33" (3/4) ... [2018-11-10 08:34:34,344 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:34:34,348 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure hanoi [2018-11-10 08:34:34,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 08:34:34,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 08:34:34,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 08:34:34,379 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01fa46c9-0d6e-4dda-a604-fd313f9b8499/bin-2019/ukojak/witness.graphml [2018-11-10 08:34:34,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:34:34,380 INFO L168 Benchmark]: Toolchain (without parser) took 836.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,381 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:34:34,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.10 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:34:34,382 INFO L168 Benchmark]: Boogie Preprocessor took 8.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,382 INFO L168 Benchmark]: RCFGBuilder took 161.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,383 INFO L168 Benchmark]: CodeCheck took 473.72 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,383 INFO L168 Benchmark]: Witness Printer took 38.13 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:34,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 34 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, 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: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.10 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 161.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 473.72 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Witness Printer took 38.13 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...