./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_false-unreach-call_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_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/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 e8f83f4c04fbac90273b8f8e733ac05d1463068f ....................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-10-26 23:04:04,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:04:04,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:04:04,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:04:04,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:04:04,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:04:04,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:04:04,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:04:04,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:04:04,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:04:04,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:04:04,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:04:04,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:04:04,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:04:04,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:04:04,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:04:04,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:04:04,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:04:04,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:04:04,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:04:04,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:04:04,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:04:04,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:04:04,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:04:04,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:04:04,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:04:04,623 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:04:04,624 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:04:04,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:04:04,625 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:04:04,625 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:04:04,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:04:04,627 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:04:04,627 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:04:04,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:04:04,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:04:04,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:04:04,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:04:04,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:04:04,644 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:04:04,644 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:04:04,644 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:04:04,644 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:04:04,645 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:04:04,645 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:04:04,645 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:04:04,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:04:04,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:04:04,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:04:04,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:04:04,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:04:04,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:04:04,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:04:04,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:04:04,650 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:04:04,650 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:04:04,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:04:04,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:04:04,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:04:04,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:04:04,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:04:04,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:04:04,651 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:04:04,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:04:04,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:04:04,652 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_5947850c-b7e2-4b60-812d-b79140aabfe3/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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2018-10-26 23:04:04,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:04:04,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:04:04,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:04:04,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:04:04,705 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:04:04,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/afterrec_false-unreach-call_true-termination.c [2018-10-26 23:04:04,769 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/data/42b6afd1e/29a0f51233b24fd18c83ba731254bf5d/FLAG04a04c216 [2018-10-26 23:04:05,156 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:04:05,157 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/sv-benchmarks/c/recursive-simple/afterrec_false-unreach-call_true-termination.c [2018-10-26 23:04:05,163 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/data/42b6afd1e/29a0f51233b24fd18c83ba731254bf5d/FLAG04a04c216 [2018-10-26 23:04:05,183 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/data/42b6afd1e/29a0f51233b24fd18c83ba731254bf5d [2018-10-26 23:04:05,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:04:05,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:04:05,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:04:05,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:04:05,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:04:05,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54412b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05, skipping insertion in model container [2018-10-26 23:04:05,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:04:05,230 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:04:05,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:04:05,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:04:05,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:04:05,401 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:04:05,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05 WrapperNode [2018-10-26 23:04:05,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:04:05,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:04:05,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:04:05,403 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:04:05,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:04:05,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:04:05,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:04:05,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:04:05,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:04:05,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:04:05,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:04:05,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:04:05,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:04:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/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 [2018-10-26 23:04:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 23:04:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 23:04:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:04:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:04:05,747 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:04:05,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:04:05 BoogieIcfgContainer [2018-10-26 23:04:05,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:04:05,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:04:05,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:04:05,760 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:04:05,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:04:05" (1/1) ... [2018-10-26 23:04:05,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:04:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:04:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-26 23:04:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-26 23:04:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:04:05,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:04:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:04:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:04:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:04:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:04:05,947 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 23:04:05,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:04:05 ImpRootNode [2018-10-26 23:04:05,974 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:04:05,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:04:05,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:04:05,975 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:04:05,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:04:05" (3/4) ... [2018-10-26 23:04:05,978 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:04:06,026 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5947850c-b7e2-4b60-812d-b79140aabfe3/bin-2019/ukojak/witness.graphml [2018-10-26 23:04:06,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:04:06,027 INFO L168 Benchmark]: Toolchain (without parser) took 837.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:04:06,029 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:04:06,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.83 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:06,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:04:06,032 INFO L168 Benchmark]: Boogie Preprocessor took 15.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:06,033 INFO L168 Benchmark]: RCFGBuilder took 299.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:06,035 INFO L168 Benchmark]: CodeCheck took 226.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:06,036 INFO L168 Benchmark]: Witness Printer took 52.19 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. [2018-10-26 23:04:06,042 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, 13 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, 13 NumberOfCodeBlocks, 13 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: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] CALL f(4) VAL [\old(n)=4] [L4] COND FALSE !(n<3) [L5] n-- VAL [\old(n)=4, n=3] [L6] CALL f(n) VAL [\old(n)=3] [L4] COND FALSE !(n<3) [L5] n-- VAL [\old(n)=3, n=2] [L6] CALL f(n) VAL [\old(n)=2] [L4] COND TRUE, RET n<3 VAL [\old(n)=2, n=2] [L6] f(n) VAL [\old(n)=3, n=2] [L7] __VERIFIER_error() VAL [\old(n)=3, n=2] * 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.83 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 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 30.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 299.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 226.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.19 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...