./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/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 0891d25befae8c09e1d39f695095d48836d44a56 ............................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 04:40:53,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:40:53,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:40:53,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:40:53,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:40:53,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:40:53,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:40:53,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:40:53,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:40:53,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:40:53,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:40:53,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:40:53,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:40:53,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:40:53,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:40:53,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:40:53,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:40:53,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:40:53,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:40:53,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:40:53,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:40:53,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:40:53,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:40:53,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:40:53,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:40:53,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:40:53,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:40:53,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:40:53,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:40:53,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:40:53,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:40:53,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:40:53,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:40:53,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:40:53,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:40:53,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:40:53,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:40:53,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:40:53,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:40:53,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:40:53,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:40:53,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:40:53,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:40:53,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:40:53,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:40:53,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:40:53,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:40:53,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:40:53,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:40:53,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:40:53,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:40:53,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:40:53,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:40:53,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:40:53,355 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:40:53,356 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:40:53,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:40:53,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:40:53,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:40:53,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:40:53,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:40:53,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:40:53,357 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:40:53,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:40:53,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:40:53,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0891d25befae8c09e1d39f695095d48836d44a56 [2020-11-28 04:40:53,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:40:53,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:40:53,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:40:53,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:40:53,629 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:40:53,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c [2020-11-28 04:40:53,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/data/e1bc241e2/dcfdf622a10b4026a64782507524b57e/FLAG0748077bd [2020-11-28 04:40:54,126 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:40:54,130 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c [2020-11-28 04:40:54,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/data/e1bc241e2/dcfdf622a10b4026a64782507524b57e/FLAG0748077bd [2020-11-28 04:40:54,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/data/e1bc241e2/dcfdf622a10b4026a64782507524b57e [2020-11-28 04:40:54,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:40:54,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:40:54,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:54,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:40:54,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:40:54,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f7955e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54, skipping insertion in model container [2020-11-28 04:40:54,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:40:54,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:40:54,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:54,705 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:40:54,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:54,746 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:40:54,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54 WrapperNode [2020-11-28 04:40:54,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:54,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:54,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:40:54,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:40:54,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:54,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:40:54,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:40:54,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:40:54,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... [2020-11-28 04:40:54,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:40:54,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:40:54,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:40:54,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:40:54,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/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 [2020-11-28 04:40:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:40:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:40:55,063 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:40:55,063 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:40:55,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:55 BoogieIcfgContainer [2020-11-28 04:40:55,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:40:55,066 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:40:55,066 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:40:55,087 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:40:55,087 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:55" (1/1) ... [2020-11-28 04:40:55,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:40:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 04:40:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 04:40:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:40:55,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:55,241 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:55,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:55,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:55,285 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:55,291 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:40:55,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:55 ImpRootNode [2020-11-28 04:40:55,306 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:55,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:55,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:55,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:55,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:55" (3/4) ... [2020-11-28 04:40:55,309 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:40:55,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_84a191fd-a332-4b04-ac6c-9225a2cf2870/bin/ukojak/witness.graphml [2020-11-28 04:40:55,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:55,345 INFO L168 Benchmark]: Toolchain (without parser) took 812.11 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 46.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:55,346 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:55,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.15 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 69.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:55,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.59 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 68.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:55,349 INFO L168 Benchmark]: Boogie Preprocessor took 14.65 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 67.3 MB in the end (delta: 994.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:55,350 INFO L168 Benchmark]: RCFGBuilder took 279.41 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 56.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:55,351 INFO L168 Benchmark]: CodeCheck took 239.42 ms. Allocated memory is still 90.2 MB. Free memory was 56.9 MB in the beginning and 47.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:55,352 INFO L168 Benchmark]: Witness Printer took 36.29 ms. Allocated memory is still 90.2 MB. Free memory was 47.8 MB in the beginning and 46.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:55,356 INFO L339 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, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] COND TRUE x > 0 [L28] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 201.15 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 69.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.59 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 68.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.65 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 67.3 MB in the end (delta: 994.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 279.41 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 56.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 239.42 ms. Allocated memory is still 90.2 MB. Free memory was 56.9 MB in the beginning and 47.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 36.29 ms. Allocated memory is still 90.2 MB. Free memory was 47.8 MB in the beginning and 46.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...