./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/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 64bit --witnessprinter.graph.data.programhash 37ca313e0a5caeb18e76088a0c810f3d29920c7c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-aa41828 [2018-11-23 02:13:00,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:13:00,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:13:00,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:13:00,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:13:00,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:13:00,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:13:00,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:13:00,472 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:13:00,473 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:13:00,474 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:13:00,474 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:13:00,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:13:00,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:13:00,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:13:00,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:13:00,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:13:00,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:13:00,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:13:00,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:13:00,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:13:00,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:13:00,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:13:00,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:13:00,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:13:00,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:13:00,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:13:00,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:13:00,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:13:00,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:13:00,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:13:00,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:13:00,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:13:00,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:13:00,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:13:00,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:13:00,491 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 02:13:00,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:13:00,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:13:00,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:13:00,503 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:13:00,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:13:00,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:13:00,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:13:00,505 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:13:00,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:13:00,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:13:00,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:13:00,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:13:00,506 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_df0adef8-1cd7-449e-b742-ba9c2a71ec80/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37ca313e0a5caeb18e76088a0c810f3d29920c7c [2018-11-23 02:13:00,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:13:00,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:13:00,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:13:00,546 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:13:00,547 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:13:00,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a_false-no-overflow.c [2018-11-23 02:13:00,598 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/data/68c7bb375/da9aa8ff478a47c8ae414af1061672ed/FLAG43a989c51 [2018-11-23 02:13:00,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:13:00,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/sv-benchmarks/c/termination-crafted/NestedRecursion_1a_false-no-overflow.c [2018-11-23 02:13:00,941 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/data/68c7bb375/da9aa8ff478a47c8ae414af1061672ed/FLAG43a989c51 [2018-11-23 02:13:01,361 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/data/68c7bb375/da9aa8ff478a47c8ae414af1061672ed [2018-11-23 02:13:01,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:13:01,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:13:01,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:01,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:13:01,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:13:01,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230ceac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01, skipping insertion in model container [2018-11-23 02:13:01,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:13:01,391 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:13:01,506 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:01,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:13:01,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:01,535 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:13:01,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01 WrapperNode [2018-11-23 02:13:01,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:01,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:01,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:13:01,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:13:01,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:01,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:13:01,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:13:01,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:13:01,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:13:01,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:13:01,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:13:01,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:13:01,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/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 [2018-11-23 02:13:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2018-11-23 02:13:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2018-11-23 02:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2018-11-23 02:13:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2018-11-23 02:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:13:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:13:01,842 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:13:01,842 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 02:13:01,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:01 BoogieIcfgContainer [2018-11-23 02:13:01,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:13:01,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:13:01,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:13:01,854 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:13:01,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:01" (1/1) ... [2018-11-23 02:13:01,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:13:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2018-11-23 02:13:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-11-23 02:13:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:13:01,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:13:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:13:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:13:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:13:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:13:02,021 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_~x~0;assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [|rec2_#in~j|=2147483647] [?] ~j := #in~j; VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] assume !(~j <= 0); VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] assume !(1 + ~j <= 2147483647); VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18-L19] assume !(~j <= 0); VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18-L19] assume !(~j <= 0); VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [L24] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L24] ~x~0 := #t~nondet5; [L24] havoc #t~nondet5; [L25] CALL call #t~ret6 := rec2(~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L24] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L24] ~x~0 := #t~nondet5; [L24] havoc #t~nondet5; [L25] CALL call #t~ret6 := rec2(~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [L24] int x = __VERIFIER_nondet_int(); [L25] CALL rec2(x) VAL [\old(j)=2147483647] [L18] COND FALSE !(j <= 0) VAL [\old(j)=2147483647, j=2147483647] [L20] j+1 VAL [\old(j)=2147483647, j=2147483647] ----- [2018-11-23 02:13:02,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:13:02 ImpRootNode [2018-11-23 02:13:02,045 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:13:02,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:13:02,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:13:02,046 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:13:02,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:01" (3/4) ... [2018-11-23 02:13:02,049 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_~x~0;assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [|rec2_#in~j|=2147483647] [?] ~j := #in~j; VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] assume !(~j <= 0); VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] assume !(1 + ~j <= 2147483647); VAL [rec2_~j=2147483647, |rec2_#in~j|=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18-L19] assume !(~j <= 0); VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18-L19] assume !(~j <= 0); VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet5, main_#t~ret6, main_~x~0; [L24] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L24] main_~x~0 := main_#t~nondet5; [L24] havoc main_#t~nondet5; VAL [main_~x~0=2147483647] [L25] CALL call main_#t~ret6 := rec2(main_~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [L24] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L24] ~x~0 := #t~nondet5; [L24] havoc #t~nondet5; [L25] CALL call #t~ret6 := rec2(~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L24] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L24] ~x~0 := #t~nondet5; [L24] havoc #t~nondet5; [L25] CALL call #t~ret6 := rec2(~x~0); VAL [#in~j=2147483647] [L17-L21] ~j := #in~j; VAL [#in~j=2147483647, ~j=2147483647] [L18] COND FALSE !(~j <= 0) VAL [#in~j=2147483647, ~j=2147483647] [L20] assert 1 + ~j <= 2147483647; VAL [#in~j=2147483647, ~j=2147483647] [L24] int x = __VERIFIER_nondet_int(); [L25] CALL rec2(x) VAL [\old(j)=2147483647] [L18] COND FALSE !(j <= 0) VAL [\old(j)=2147483647, j=2147483647] [L20] j+1 VAL [\old(j)=2147483647, j=2147483647] ----- [2018-11-23 02:13:02,084 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df0adef8-1cd7-449e-b742-ba9c2a71ec80/bin-2019/ukojak/witness.graphml [2018-11-23 02:13:02,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:13:02,085 INFO L168 Benchmark]: Toolchain (without parser) took 720.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:13:02,086 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:13:02,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:13:02,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:13:02,087 INFO L168 Benchmark]: Boogie Preprocessor took 13.04 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:13:02,088 INFO L168 Benchmark]: RCFGBuilder took 269.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:13:02,088 INFO L168 Benchmark]: CodeCheck took 202.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:13:02,089 INFO L168 Benchmark]: Witness Printer took 38.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:13:02,091 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, 44 locations, 10 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, 5 NumberOfCodeBlocks, 5 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int x = __VERIFIER_nondet_int(); [L25] CALL rec2(x) VAL [\old(j)=2147483647] [L18] COND FALSE !(j <= 0) VAL [\old(j)=2147483647, j=2147483647] [L20] j+1 VAL [\old(j)=2147483647, j=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 23.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.04 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 269.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 202.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 38.43 ms. Allocated memory is still 1.2 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...