./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/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 66086dde0b191c29902f344504ecd9e9745e5c48 ............................................................................................................................................................................................................ 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 0.1.24-cad4683 [2019-10-22 10:17:37,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:37,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:37,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:37,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:37,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:37,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:37,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:37,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:37,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:37,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:37,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:37,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:37,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:37,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:37,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:37,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:37,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:37,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:37,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:37,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:37,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:37,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:37,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:37,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:37,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:37,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:37,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:37,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:37,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:37,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:37,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:37,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:37,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:37,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:37,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:37,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:37,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:37,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:37,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:37,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:37,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:17:37,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:37,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:37,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:37,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:37,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:37,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:37,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:37,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:17:37,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:37,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:37,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:37,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:37,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:37,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:17:37,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:37,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:37,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:37,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:37,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:37,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:37,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:37,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:37,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:37,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:37,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:37,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:37,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:37,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:37,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/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 -> 66086dde0b191c29902f344504ecd9e9745e5c48 [2019-10-22 10:17:37,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:37,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:37,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:37,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:37,749 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:37,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2019-10-22 10:17:37,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/data/60dbaa7b1/dcc4106590774f5580574507e7eecc06/FLAGd550ced3f [2019-10-22 10:17:38,191 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:38,195 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2019-10-22 10:17:38,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/data/60dbaa7b1/dcc4106590774f5580574507e7eecc06/FLAGd550ced3f [2019-10-22 10:17:38,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/data/60dbaa7b1/dcc4106590774f5580574507e7eecc06 [2019-10-22 10:17:38,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:38,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:38,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:38,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:38,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:38,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59076bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38, skipping insertion in model container [2019-10-22 10:17:38,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:38,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:38,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:38,420 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:38,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:38,501 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:38,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38 WrapperNode [2019-10-22 10:17:38,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:38,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:38,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:38,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:38,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:38,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:38,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:38,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:38,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:38,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:38,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:38,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:38,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/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 [2019-10-22 10:17:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:38,756 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:38,756 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:17:38,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:38 BoogieIcfgContainer [2019-10-22 10:17:38,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:38,758 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:38,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:38,766 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:38,767 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:38" (1/1) ... [2019-10-22 10:17:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:17:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:17:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:17:38,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-10-22 10:17:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-10-22 10:17:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:17:38,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:39,039 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-10-22 10:17:39,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:39 ImpRootNode [2019-10-22 10:17:39,059 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:39,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:39,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:39,060 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:39,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:38" (3/4) ... [2019-10-22 10:17:39,062 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:17:39,093 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_428c7d63-351e-477c-8bcb-6bb6185b8042/bin/ukojak/witness.graphml [2019-10-22 10:17:39,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:39,096 INFO L168 Benchmark]: Toolchain (without parser) took 870.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:39,096 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:39,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,098 INFO L168 Benchmark]: Boogie Preprocessor took 15.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,098 INFO L168 Benchmark]: RCFGBuilder took 213.43 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,099 INFO L168 Benchmark]: CodeCheck took 300.99 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,099 INFO L168 Benchmark]: Witness Printer took 34.47 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:39,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, oldx; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 || y >= 0 [L17] oldx = x [L18] y - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.43 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * CodeCheck took 300.99 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Witness Printer took 34.47 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...