./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Fig1_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Fig1_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/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 69594a3e3bf3c7b6499fcc19054c62f440eae787 ...................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 10:38:39,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:38:39,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:38:39,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:38:39,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:38:39,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:38:39,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:38:39,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:38:39,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:38:39,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:38:39,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:38:39,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:38:39,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:38:39,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:38:39,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:38:39,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:38:39,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:38:39,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:38:39,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:38:39,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:38:39,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:38:39,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:38:39,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:38:39,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:38:39,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:38:39,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:38:39,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:38:39,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:38:39,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:38:39,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:38:39,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:38:39,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:38:39,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:38:39,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:38:39,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:38:39,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:38:39,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 10:38:39,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:38:39,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:38:39,571 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:38:39,571 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:38:39,571 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:38:39,571 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:38:39,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:38:39,572 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 10:38:39,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:38:39,573 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:38:39,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:38:39,573 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:38:39,573 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:38:39,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:38:39,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:38:39,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:38:39,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:38:39,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:38:39,574 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:38:39,574 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:38:39,574 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:38:39,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:38:39,575 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_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/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 -> 69594a3e3bf3c7b6499fcc19054c62f440eae787 [2018-11-18 10:38:39,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:38:39,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:38:39,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:38:39,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:38:39,610 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:38:39,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Fig1_false-no-overflow.c [2018-11-18 10:38:39,654 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/data/ad556cc09/4f7760184830486788e171b57c91ac4d/FLAGdcc2c044a [2018-11-18 10:38:39,953 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:38:39,954 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Fig1_false-no-overflow.c [2018-11-18 10:38:39,957 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/data/ad556cc09/4f7760184830486788e171b57c91ac4d/FLAGdcc2c044a [2018-11-18 10:38:39,966 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/data/ad556cc09/4f7760184830486788e171b57c91ac4d [2018-11-18 10:38:39,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:38:39,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:38:39,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:38:39,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:38:39,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:38:39,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:38:39" (1/1) ... [2018-11-18 10:38:39,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:39, skipping insertion in model container [2018-11-18 10:38:39,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:38:39" (1/1) ... [2018-11-18 10:38:39,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:38:39,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:38:40,086 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:38:40,088 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:38:40,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:38:40,104 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:38:40,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40 WrapperNode [2018-11-18 10:38:40,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:38:40,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:38:40,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:38:40,105 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:38:40,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:38:40,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:38:40,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:38:40,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:38:40,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:38:40,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:38:40,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:38:40,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:38:40,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:38:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/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 [2018-11-18 10:38:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:38:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:38:40,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:38:40,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:38:40 BoogieIcfgContainer [2018-11-18 10:38:40,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:38:40,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:38:40,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:38:40,366 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:38:40,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:38:40" (1/1) ... [2018-11-18 10:38:40,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:38:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:38:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-18 10:38:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-18 10:38:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 10:38:40,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:38:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:38:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:38:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:38:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:38:40,497 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 10:38:40,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:38:40 ImpRootNode [2018-11-18 10:38:40,513 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:38:40,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:38:40,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:38:40,513 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:38:40,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:38:40" (3/4) ... [2018-11-18 10:38:40,516 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 10:38:40,541 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8895dbf-8b30-4ef6-a68a-c5c1b3290b89/bin-2019/ukojak/witness.graphml [2018-11-18 10:38:40,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:38:40,542 INFO L168 Benchmark]: Toolchain (without parser) took 573.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:38:40,543 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:38:40,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.57 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:38:40,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:38:40,545 INFO L168 Benchmark]: Boogie Preprocessor took 15.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:38:40,546 INFO L168 Benchmark]: RCFGBuilder took 208.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:38:40,547 INFO L168 Benchmark]: CodeCheck took 156.19 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:38:40,548 INFO L168 Benchmark]: Witness Printer took 27.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:38:40,553 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, 20 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, 4 NumberOfCodeBlocks, 4 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x,y,z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND TRUE x > 0 [L20] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.57 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 26.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 208.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 156.19 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 27.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...