./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/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 d7d414d68736ab19121f0afd030fc9c628e90ba4 ........................................................................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-26 02:31:04,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:31:04,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:31:04,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:31:04,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:31:04,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:31:04,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:31:04,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:31:04,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:31:04,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:31:04,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:31:04,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:31:04,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:31:04,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:31:04,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:31:04,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:31:04,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:31:04,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:31:04,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:31:04,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:31:04,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:31:04,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:31:04,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:31:04,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:31:04,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:31:04,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:31:04,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:31:04,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:31:04,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:31:04,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:31:04,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:31:04,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:31:04,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:31:04,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:31:04,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:31:04,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:31:04,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:31:04,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:31:04,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:31:04,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:31:04,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:31:04,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:31:04,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:31:04,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:31:04,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:31:04,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:31:04,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:31:04,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:31:04,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:31:04,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:31:04,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:31:04,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:31:04,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:31:04,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:31:04,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:31:04,715 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:31:04,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:31:04,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:31:04,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:31:04,716 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:31:04,716 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:31:04,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:31:04,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:31:04,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:31:04,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:31:04,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:31:04,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:31:04,717 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:31:04,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:31:04,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:31:04,718 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_8595b611-fc76-4a21-b5c0-92c54d22f997/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 -> d7d414d68736ab19121f0afd030fc9c628e90ba4 [2019-11-26 02:31:04,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:31:04,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:31:04,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:31:04,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:31:04,890 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:31:04,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2019-11-26 02:31:04,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/data/ca76b4506/ba5bf8b4bfa94d5d940d0469f1b3d7f9/FLAG02d7e3c4e [2019-11-26 02:31:05,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:31:05,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2019-11-26 02:31:05,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/data/ca76b4506/ba5bf8b4bfa94d5d940d0469f1b3d7f9/FLAG02d7e3c4e [2019-11-26 02:31:05,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/data/ca76b4506/ba5bf8b4bfa94d5d940d0469f1b3d7f9 [2019-11-26 02:31:05,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:31:05,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:31:05,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:05,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:31:05,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:31:05,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775fc7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05, skipping insertion in model container [2019-11-26 02:31:05,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:31:05,392 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:31:05,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:05,554 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:31:05,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:05,655 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:31:05,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05 WrapperNode [2019-11-26 02:31:05,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:05,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:05,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:31:05,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:31:05,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:05,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:31:05,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:31:05,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:31:05,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... [2019-11-26 02:31:05,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:31:05,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:31:05,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:31:05,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:31:05,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/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 [2019-11-26 02:31:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:31:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:31:06,004 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:31:06,004 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:31:06,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:06 BoogieIcfgContainer [2019-11-26 02:31:06,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:31:06,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:31:06,006 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:31:06,016 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:31:06,016 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:06" (1/1) ... [2019-11-26 02:31:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:31:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2019-11-26 02:31:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-11-26 02:31:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:31:06,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-26 02:31:06,259 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-26 02:31:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:31:06,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-26 02:31:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-26 02:31:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:31:06,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:06,454 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-26 02:31:06,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:31:06 ImpRootNode [2019-11-26 02:31:06,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:31:06,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:31:06,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:31:06,475 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:31:06,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:06" (3/4) ... [2019-11-26 02:31:06,478 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:31:06,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8595b611-fc76-4a21-b5c0-92c54d22f997/bin/ukojak/witness.graphml [2019-11-26 02:31:06,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:31:06,515 INFO L168 Benchmark]: Toolchain (without parser) took 1159.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:06,515 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:31:06,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:06,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:31:06,517 INFO L168 Benchmark]: Boogie Preprocessor took 28.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:06,517 INFO L168 Benchmark]: RCFGBuilder took 286.44 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:06,518 INFO L168 Benchmark]: CodeCheck took 468.71 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:06,518 INFO L168 Benchmark]: Witness Printer took 37.99 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. [2019-11-26 02:31:06,521 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, 15 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 38 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int id, maxId, tmp; [L17] id = __VERIFIER_nondet_int() [L18] maxId = __VERIFIER_nondet_int() [L21] COND TRUE 0 <= id && id < maxId [L22] EXPR id+1 [L22] tmp = id+1 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] COND TRUE tmp!=id && __VERIFIER_nondet_int() != 0 [L24] COND TRUE tmp <= maxId [L25] tmp + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 286.44 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * CodeCheck took 468.71 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.99 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...