./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_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_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/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 7c0bc40776973a06416543c50b6d25a15f6141f6 ......................................................................................................................................................................................................... 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 [2018-12-09 11:39:53,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:39:53,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:39:53,280 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:39:53,280 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:39:53,280 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:39:53,281 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:39:53,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:39:53,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:39:53,283 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:39:53,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:39:53,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:39:53,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:39:53,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:39:53,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:39:53,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:39:53,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:39:53,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:39:53,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:39:53,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:39:53,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:39:53,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:39:53,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:39:53,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:39:53,290 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:39:53,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:39:53,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:39:53,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:39:53,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:39:53,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:39:53,292 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:39:53,293 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:39:53,293 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:39:53,293 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:39:53,293 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:39:53,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:39:53,294 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 11:39:53,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:39:53,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:39:53,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:39:53,301 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:39:53,302 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:39:53,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 11:39:53,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:39:53,303 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:39:53,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:39:53,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:39:53,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:39:53,304 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:39:53,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:39:53,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:39:53,304 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_0adf2132-8715-444a-b7d1-de3f8de56208/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 -> 7c0bc40776973a06416543c50b6d25a15f6141f6 [2018-12-09 11:39:53,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:39:53,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:39:53,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:39:53,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:39:53,330 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:39:53,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c [2018-12-09 11:39:53,364 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/data/59c362b39/428b45a9a1ef4ecdb8ae47fd10cba701/FLAG45fa1e735 [2018-12-09 11:39:53,747 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:39:53,748 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c [2018-12-09 11:39:53,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/data/59c362b39/428b45a9a1ef4ecdb8ae47fd10cba701/FLAG45fa1e735 [2018-12-09 11:39:53,759 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/data/59c362b39/428b45a9a1ef4ecdb8ae47fd10cba701 [2018-12-09 11:39:53,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:39:53,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:39:53,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:39:53,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:39:53,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:39:53,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53, skipping insertion in model container [2018-12-09 11:39:53,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:39:53,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:39:53,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:39:53,870 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:39:53,878 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:39:53,885 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:39:53,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53 WrapperNode [2018-12-09 11:39:53,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:39:53,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:39:53,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:39:53,886 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:39:53,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:39:53,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:39:53,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:39:53,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:39:53,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... [2018-12-09 11:39:53,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:39:53,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:39:53,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:39:53,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:39:53,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:39:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/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 [2018-12-09 11:39:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:39:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:39:54,080 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:39:54,080 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 11:39:54,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:39:54 BoogieIcfgContainer [2018-12-09 11:39:54,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:39:54,081 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:39:54,081 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:39:54,087 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:39:54,088 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:39:54" (1/1) ... [2018-12-09 11:39:54,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:39:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:39:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-12-09 11:39:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-12-09 11:39:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 11:39:54,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:39:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:39:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:39:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:39:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:39:54,203 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 11:39:54,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:39:54 ImpRootNode [2018-12-09 11:39:54,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:39:54,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:39:54,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:39:54,219 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:39:54,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:39:54" (3/4) ... [2018-12-09 11:39:54,221 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 11:39:54,245 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0adf2132-8715-444a-b7d1-de3f8de56208/bin-2019/ukojak/witness.graphml [2018-12-09 11:39:54,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:39:54,245 INFO L168 Benchmark]: Toolchain (without parser) took 483.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:39:54,246 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:39:54,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 946.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:39:54,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.26 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:39:54,247 INFO L168 Benchmark]: Boogie Preprocessor took 12.88 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:39:54,247 INFO L168 Benchmark]: RCFGBuilder took 155.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:39:54,248 INFO L168 Benchmark]: CodeCheck took 137.94 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:39:54,248 INFO L168 Benchmark]: Witness Printer took 26.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:39:54,250 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, 18 locations, 6 error locations. UNSAFE Result, 0.1s 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, 3 NumberOfCodeBlocks, 3 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x > 0 [L27] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 946.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.26 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.88 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * CodeCheck took 137.94 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Witness Printer took 26.13 ms. Allocated memory is still 1.1 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...