./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.06_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.06_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70e4651be389b19c4cd74f16914e3e3661c9cc20 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:29:05,924 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:29:05,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:29:05,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:29:05,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:29:05,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:29:05,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:29:05,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:29:05,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:29:05,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:29:05,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:29:05,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:29:05,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:29:05,937 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:29:05,937 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:29:05,938 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:29:05,938 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:29:05,939 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:29:05,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:29:05,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:29:05,941 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:29:05,942 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:29:05,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:29:05,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:29:05,944 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:29:05,944 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:29:05,945 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:29:05,945 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:29:05,946 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:29:05,946 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:29:05,946 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:29:05,947 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:29:05,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:29:05,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:29:05,948 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:29:05,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:29:05,948 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 14:29:05,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:29:05,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:29:05,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:29:05,956 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:29:05,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:29:05,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:29:05,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 14:29:05,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:29:05,959 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:29:05,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:29:05,959 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:29:05,959 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:29:05,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:29:05,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:29:05,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:29:05,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:29:05,960 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70e4651be389b19c4cd74f16914e3e3661c9cc20 [2018-12-02 14:29:05,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:29:05,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:29:05,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:29:05,988 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:29:05,988 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:29:05,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.06_false-no-overflow.c [2018-12-02 14:29:06,026 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/data/8297b44e4/c1a25b2d7b394e51b7a7b30ee9c06fb8/FLAG3a5b8c6a8 [2018-12-02 14:29:06,372 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:29:06,372 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.06_false-no-overflow.c [2018-12-02 14:29:06,376 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/data/8297b44e4/c1a25b2d7b394e51b7a7b30ee9c06fb8/FLAG3a5b8c6a8 [2018-12-02 14:29:06,766 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/data/8297b44e4/c1a25b2d7b394e51b7a7b30ee9c06fb8 [2018-12-02 14:29:06,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:29:06,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:29:06,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:29:06,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:29:06,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:29:06,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5cabf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06, skipping insertion in model container [2018-12-02 14:29:06,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:29:06,787 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:29:06,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:29:06,871 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:29:06,879 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:29:06,887 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:29:06,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06 WrapperNode [2018-12-02 14:29:06,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:29:06,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:29:06,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:29:06,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:29:06,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:29:06,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:29:06,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:29:06,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:29:06,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... [2018-12-02 14:29:06,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:29:06,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:29:06,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:29:06,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:29:06,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:29:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:29:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:29:07,075 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:29:07,076 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 14:29:07,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:07 BoogieIcfgContainer [2018-12-02 14:29:07,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:29:07,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:29:07,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:29:07,083 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:29:07,083 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:07" (1/1) ... [2018-12-02 14:29:07,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:29:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:29:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-12-02 14:29:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-02 14:29:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 14:29:07,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:29:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:29:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:29:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:29:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:29:07,184 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 14:29:07,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:29:07 ImpRootNode [2018-12-02 14:29:07,196 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:29:07,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:29:07,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:29:07,196 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:29:07,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:07" (3/4) ... [2018-12-02 14:29:07,198 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 14:29:07,220 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e9757d0d-6bae-458f-a4a6-f70cc1bf8733/bin-2019/ukojak/witness.graphml [2018-12-02 14:29:07,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:29:07,221 INFO L168 Benchmark]: Toolchain (without parser) took 452.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -117.3 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,222 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:29:07,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.12 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:29:07,223 INFO L168 Benchmark]: Boogie Preprocessor took 10.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,224 INFO L168 Benchmark]: RCFGBuilder took 159.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,224 INFO L168 Benchmark]: CodeCheck took 119.50 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,225 INFO L168 Benchmark]: Witness Printer took 24.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:29:07,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 30 locations, 12 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L26] int x, y, oldx; [L27] x = __VERIFIER_nondet_int() [L28] y = __VERIFIER_nondet_int() [L29] 4*x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.12 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 159.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * CodeCheck took 119.50 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 24.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...