./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/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 41b982a671820be8261e51c26cfbb44de9686a28 ....................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 10:11:02,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:11:02,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:11:02,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:11:02,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:11:02,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:11:02,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:11:02,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:11:02,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:11:02,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:11:02,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:11:02,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:11:02,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:11:02,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:11:02,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:11:02,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:11:02,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:11:02,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:11:02,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:11:02,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:11:02,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:11:02,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:11:02,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:11:02,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:11:02,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:11:02,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:11:02,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:11:02,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:11:02,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:11:02,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:11:02,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:11:02,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:11:02,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:11:02,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:11:02,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:11:02,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:11:02,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:11:02,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:11:02,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:11:02,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:11:02,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:11:02,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 10:11:02,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:11:02,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:11:02,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:11:02,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:11:02,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:11:02,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:11:02,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:11:02,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:11:02,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:11:02,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:11:02,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:11:02,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:11:02,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:11:02,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:11:02,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:11:02,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:11:02,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:11:02,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:11:02,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:11:02,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:11:02,686 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:11:02,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:11:02,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:11:02,687 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/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/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 -> 41b982a671820be8261e51c26cfbb44de9686a28 [2019-11-20 10:11:02,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:11:02,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:11:02,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:11:02,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:11:02,852 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:11:02,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c [2019-11-20 10:11:02,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/data/674898248/e63ece78ef4b415eb3714235fe239702/FLAG460f48691 [2019-11-20 10:11:03,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:11:03,310 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c [2019-11-20 10:11:03,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/data/674898248/e63ece78ef4b415eb3714235fe239702/FLAG460f48691 [2019-11-20 10:11:03,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/data/674898248/e63ece78ef4b415eb3714235fe239702 [2019-11-20 10:11:03,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:11:03,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:11:03,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:11:03,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:11:03,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:11:03,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e693c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03, skipping insertion in model container [2019-11-20 10:11:03,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:11:03,369 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:11:03,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:11:03,508 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:11:03,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:11:03,605 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:11:03,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03 WrapperNode [2019-11-20 10:11:03,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:11:03,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:11:03,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:11:03,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:11:03,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:11:03,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:11:03,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:11:03,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:11:03,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... [2019-11-20 10:11:03,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:11:03,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:11:03,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:11:03,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:11:03,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/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 [2019-11-20 10:11:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:11:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:11:04,128 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:11:04,128 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:11:04,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:04 BoogieIcfgContainer [2019-11-20 10:11:04,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:11:04,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:11:04,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:11:04,140 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:11:04,140 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:04" (1/1) ... [2019-11-20 10:11:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:11:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2019-11-20 10:11:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2019-11-20 10:11:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-11-20 10:11:04,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:11:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:11:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:11:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:11:04,309 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 10:11:04,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:11:04 ImpRootNode [2019-11-20 10:11:04,326 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:11:04,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:11:04,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:11:04,326 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:11:04,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:04" (3/4) ... [2019-11-20 10:11:04,329 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:11:04,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e884fa4-8909-4dca-920a-bc3d8688daa5/bin/ukojak/witness.graphml [2019-11-20 10:11:04,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:11:04,369 INFO L168 Benchmark]: Toolchain (without parser) took 1028.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:11:04,369 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:11:04,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:11:04,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.95 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. [2019-11-20 10:11:04,371 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 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. [2019-11-20 10:11:04,371 INFO L168 Benchmark]: RCFGBuilder took 473.69 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:11:04,372 INFO L168 Benchmark]: CodeCheck took 195.52 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:11:04,373 INFO L168 Benchmark]: Witness Printer took 40.61 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. [2019-11-20 10:11:04,376 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, 31 locations, 10 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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, 2 NumberOfCodeBlocks, 2 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 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: [L14] int x, tx, y, ty, n; [L15] x = __VERIFIER_nondet_int() [L16] tx = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] ty = __VERIFIER_nondet_int() [L19] n = __VERIFIER_nondet_int() [L20] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.95 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. * Boogie Preprocessor took 19.82 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 473.69 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * CodeCheck took 195.52 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.61 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...