./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/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 f3d619d2c1c3b5319c1ba41a41e084c9947cb440 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:53:13,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:53:13,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:53:13,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:53:13,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:53:13,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:53:13,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:53:13,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:53:13,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:53:13,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:53:13,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:53:13,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:53:13,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:53:13,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:53:13,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:53:13,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:53:13,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:53:13,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:53:13,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:53:13,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:53:13,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:53:13,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:53:13,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:53:13,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:53:13,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:53:13,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:53:13,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:53:13,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:53:13,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:53:13,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:53:13,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:53:13,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:53:13,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:53:13,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:53:13,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:53:13,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:53:13,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:53:13,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:53:13,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:53:13,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:53:13,449 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:53:13,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:53:13,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:53:13,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:53:13,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:53:13,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:53:13,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:53:13,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:53:13,451 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:53:13,451 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:53:13,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:53:13,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:53:13,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:53:13,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:53:13,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:53:13,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:53:13,452 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:53:13,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:53:13,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:53:13,452 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_de309c66-3020-4039-b791-680602b3c6a9/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 -> f3d619d2c1c3b5319c1ba41a41e084c9947cb440 [2018-11-18 15:53:13,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:53:13,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:53:13,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:53:13,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:53:13,488 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:53:13,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2018-11-18 15:53:13,533 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/data/6047b2fbf/c4ec8af215124687820f0c86f1e55f95/FLAG60e325925 [2018-11-18 15:53:13,878 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:53:13,879 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2018-11-18 15:53:13,883 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/data/6047b2fbf/c4ec8af215124687820f0c86f1e55f95/FLAG60e325925 [2018-11-18 15:53:14,311 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/data/6047b2fbf/c4ec8af215124687820f0c86f1e55f95 [2018-11-18 15:53:14,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:53:14,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:53:14,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:14,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:53:14,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:53:14,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6180e9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14, skipping insertion in model container [2018-11-18 15:53:14,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:53:14,342 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:53:14,448 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:14,450 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:53:14,460 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:14,468 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:53:14,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14 WrapperNode [2018-11-18 15:53:14,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:14,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:14,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:53:14,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:53:14,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:14,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:53:14,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:53:14,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:53:14,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:53:14,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:53:14,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:53:14,498 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:53:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/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 [2018-11-18 15:53:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2018-11-18 15:53:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2018-11-18 15:53:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2018-11-18 15:53:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2018-11-18 15:53:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:53:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:53:14,697 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:53:14,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:14 BoogieIcfgContainer [2018-11-18 15:53:14,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:53:14,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:53:14,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:53:14,707 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:53:14,707 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:14" (1/1) ... [2018-11-18 15:53:14,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:53:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-18 15:53:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 15:53:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:53:14,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:53:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:14,882 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 15:53:14,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:53:14 ImpRootNode [2018-11-18 15:53:14,900 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:53:14,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:53:14,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:53:14,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:53:14,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:14" (3/4) ... [2018-11-18 15:53:14,903 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:53:14,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de309c66-3020-4039-b791-680602b3c6a9/bin-2019/ukojak/witness.graphml [2018-11-18 15:53:14,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:53:14,930 INFO L168 Benchmark]: Toolchain (without parser) took 614.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -109.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:14,931 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 15:53:14,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:14,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.20 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:14,932 INFO L168 Benchmark]: Boogie Preprocessor took 10.29 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:14,932 INFO L168 Benchmark]: RCFGBuilder took 199.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:14,933 INFO L168 Benchmark]: CodeCheck took 202.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:14,933 INFO L168 Benchmark]: Witness Printer took 28.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:14,935 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 3 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 47]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L38] int n = __VERIFIER_nondet_int(); [L39] COND FALSE !(n < 0) [L42] CALL, EXPR isEven(n) VAL [\old(n)=0] [L27] COND TRUE n == 0 [L28] RET return 1; VAL [\old(n)=0, \result=1, n=0] [L42] EXPR isEven(n) [L42] int result = isEven(n); [L43] int mod = n % 2; [L44] COND FALSE !(result < 0 || result == mod) [L47] __VERIFIER_error() * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 18.20 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.29 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 199.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 202.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 28.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...