./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/joey.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_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/joey.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/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 6360f720317c1229a4bb277806239106bfb4e5c0 .................................................................................................................................................................................................................. 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 10:14:26,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:26,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:26,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:26,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:26,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:26,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:26,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:26,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:26,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:26,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:26,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:26,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:26,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:26,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:26,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:26,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:26,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:26,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:26,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:26,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:26,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:26,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:26,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:26,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:26,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:26,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:26,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:26,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:26,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:26,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:26,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:26,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:26,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:26,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:26,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:26,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:26,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:26,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:26,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:26,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:26,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:14:26,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:26,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:26,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:26,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:26,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:26,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:26,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:26,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:14:26,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:26,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:26,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:26,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:26,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:26,784 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:14:26,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:26,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:26,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:26,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:26,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:26,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:26,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:26,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:26,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:26,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:26,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:26,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:26,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:26,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:26,794 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_b77cdb74-4737-4d96-be74-0ee3f4bd793a/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 -> 6360f720317c1229a4bb277806239106bfb4e5c0 [2019-10-22 10:14:26,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:26,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:26,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:26,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:26,842 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:26,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/joey.c [2019-10-22 10:14:26,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/data/59d38f7a6/929fc36c0eb44c9ebcc3f1b8f87685f5/FLAG0bcf5186d [2019-10-22 10:14:27,297 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:27,298 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/sv-benchmarks/c/termination-crafted-lit/joey.c [2019-10-22 10:14:27,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/data/59d38f7a6/929fc36c0eb44c9ebcc3f1b8f87685f5/FLAG0bcf5186d [2019-10-22 10:14:27,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/data/59d38f7a6/929fc36c0eb44c9ebcc3f1b8f87685f5 [2019-10-22 10:14:27,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:27,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:27,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:27,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:27,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:27,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4659e7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27, skipping insertion in model container [2019-10-22 10:14:27,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:27,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:27,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:27,545 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:27,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:27,661 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:27,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27 WrapperNode [2019-10-22 10:14:27,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:27,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:27,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:27,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:27,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:27,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:27,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:27,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:27,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:27,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:27,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:27,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:27,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/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 10:14:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-10-22 10:14:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-10-22 10:14:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:27,966 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:27,967 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:14:27,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:27 BoogieIcfgContainer [2019-10-22 10:14:27,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:27,968 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:27,968 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:27,979 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:27,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:27" (1/1) ... [2019-10-22 10:14:27,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2019-10-22 10:14:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-10-22 10:14:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:28,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:28,217 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 10:14:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2019-10-22 10:14:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-10-22 10:14:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:28,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:28,424 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-10-22 10:14:28,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:28 ImpRootNode [2019-10-22 10:14:28,442 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:28,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:28,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:28,443 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:28,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:27" (3/4) ... [2019-10-22 10:14:28,445 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:14:28,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b77cdb74-4737-4d96-be74-0ee3f4bd793a/bin/ukojak/witness.graphml [2019-10-22 10:14:28,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:28,478 INFO L168 Benchmark]: Toolchain (without parser) took 1155.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -107.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,479 INFO L168 Benchmark]: CDTParser took 0.20 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 10:14:28,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.1 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,480 INFO L168 Benchmark]: Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,481 INFO L168 Benchmark]: RCFGBuilder took 252.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,481 INFO L168 Benchmark]: CodeCheck took 473.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,482 INFO L168 Benchmark]: Witness Printer took 33.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:28,485 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 2 procedures, 31 locations, 8 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 28 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 339.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.1 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 252.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 473.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...