./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq_false-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3f4ddad1399519940e721d52a976bc45ffd3619 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:00:26,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:00:26,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:00:26,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:00:26,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:00:26,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:00:26,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:00:26,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:00:26,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:00:26,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:00:26,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:00:26,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:00:26,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:00:26,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:00:26,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:00:26,390 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:00:26,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:00:26,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:00:26,393 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:00:26,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:00:26,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:00:26,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:00:26,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:00:26,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:00:26,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:00:26,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:00:26,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:00:26,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:00:26,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:00:26,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:00:26,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:00:26,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:00:26,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:00:26,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:00:26,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:00:26,401 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:00:26,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-10 09:00:26,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:00:26,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:00:26,409 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:00:26,409 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:00:26,409 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:00:26,409 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:00:26,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 09:00:26,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:00:26,411 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:00:26,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:00:26,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:00:26,411 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:00:26,412 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:00:26,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:00:26,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:00:26,412 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_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/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 ! overflow) ) 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 -> c3f4ddad1399519940e721d52a976bc45ffd3619 [2018-11-10 09:00:26,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:00:26,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:00:26,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:00:26,452 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:00:26,452 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:00:26,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/sum_non_eq_false-no-overflow.c [2018-11-10 09:00:26,498 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/data/8f766a08a/1f1e19d218ec49368e13644dcf2bd3d5/FLAG487a33a4b [2018-11-10 09:00:26,817 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:00:26,817 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/sv-benchmarks/c/recursive-simple/sum_non_eq_false-no-overflow.c [2018-11-10 09:00:26,822 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/data/8f766a08a/1f1e19d218ec49368e13644dcf2bd3d5/FLAG487a33a4b [2018-11-10 09:00:26,834 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/data/8f766a08a/1f1e19d218ec49368e13644dcf2bd3d5 [2018-11-10 09:00:26,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:00:26,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:00:26,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:00:26,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:00:26,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:00:26,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:26,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d995a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26, skipping insertion in model container [2018-11-10 09:00:26,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:26,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:00:26,867 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:00:26,972 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:00:26,974 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:00:26,983 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:00:26,991 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:00:26,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26 WrapperNode [2018-11-10 09:00:26,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:00:26,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:00:26,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:00:26,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:00:26,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:00:27,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:00:27,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:00:27,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:00:27,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... [2018-11-10 09:00:27,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:00:27,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:00:27,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:00:27,018 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:00:27,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/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 09:00:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:00:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:00:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-11-10 09:00:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-11-10 09:00:27,207 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:00:27,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:00:27 BoogieIcfgContainer [2018-11-10 09:00:27,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:00:27,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:00:27,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:00:27,215 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:00:27,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:00:27" (1/1) ... [2018-11-10 09:00:27,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:00:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:00:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-11-10 09:00:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-10 09:00:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 09:00:27,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:00:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:00:27,369 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 09:00:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:00:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 27 transitions. [2018-11-10 09:00:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-10 09:00:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 09:00:27,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:00:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:00:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:00:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:00:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:00:27,469 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 09:00:27,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:00:27 ImpRootNode [2018-11-10 09:00:27,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:00:27,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:00:27,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:00:27,491 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:00:27,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:00:27" (3/4) ... [2018-11-10 09:00:27,493 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 09:00:27,515 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebff7d9e-2c23-4b42-87ac-e0274debf2bb/bin-2019/ukojak/witness.graphml [2018-11-10 09:00:27,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:00:27,516 INFO L168 Benchmark]: Toolchain (without parser) took 678.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,517 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:00:27,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.73 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:00:27,518 INFO L168 Benchmark]: Boogie Preprocessor took 8.87 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,518 INFO L168 Benchmark]: RCFGBuilder took 190.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,519 INFO L168 Benchmark]: CodeCheck took 281.97 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,519 INFO L168 Benchmark]: Witness Printer took 25.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:00:27,521 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, 27 locations, 6 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 17 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 8]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a = __VERIFIER_nondet_int() ; [L14] int b = __VERIFIER_nondet_int(); [L15] CALL sum(a, b) VAL [\old(m)=0, \old(n)=-2147483648] [L5] COND FALSE !(n == 0) VAL [\old(m)=0, \old(n)=-2147483648, m=0, n=-2147483648] [L8] n - 1 VAL [\old(m)=0, \old(n)=-2147483648, m=0, n=-2147483648] * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 16.73 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.87 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 190.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 281.97 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 25.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...