./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:45:01,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:45:01,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:45:01,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:45:01,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:45:01,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:45:01,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:45:01,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:45:01,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:45:01,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:45:01,526 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:45:01,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:45:01,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:45:01,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:01,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:45:01,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:45:01,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:45:01,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:45:01,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:45:01,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 [2024-12-05 21:45:01,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:45:01,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:45:01,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:45:01,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:45:01,745 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:45:01,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2024-12-05 21:45:04,449 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/data/295511b67/e2a2aa23dde24d9f977fbc56e174a09b/FLAGd89ad7dc3 [2024-12-05 21:45:04,644 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:45:04,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2024-12-05 21:45:04,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/data/295511b67/e2a2aa23dde24d9f977fbc56e174a09b/FLAGd89ad7dc3 [2024-12-05 21:45:05,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/data/295511b67/e2a2aa23dde24d9f977fbc56e174a09b [2024-12-05 21:45:05,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:45:05,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:45:05,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:05,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:45:05,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:45:05,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a12697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05, skipping insertion in model container [2024-12-05 21:45:05,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:45:05,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:05,165 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:45:05,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:05,184 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:45:05,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05 WrapperNode [2024-12-05 21:45:05,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:05,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:05,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:45:05,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:45:05,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,206 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-12-05 21:45:05,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:05,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:45:05,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:45:05,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:45:05,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,214 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:45:05,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:45:05,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:45:05,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:45:05,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:05,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:45:05,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:45:05,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:45:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:45:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:45:05,352 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:45:05,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:45:05,474 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 21:45:05,474 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:45:05,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:45:05,495 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:45:05,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:05 BoogieIcfgContainer [2024-12-05 21:45:05,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:45:05,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:45:05,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:45:05,508 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:45:05,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:05" (1/1) ... [2024-12-05 21:45:05,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:45:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-12-05 21:45:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-12-05 21:45:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:45:05,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:45:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-12-05 21:45:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-12-05 21:45:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:45:05,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:45:05,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:45:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:45:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:45:05,902 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:45:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:45:05,915 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 21:45:05,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:45:05 ImpRootNode [2024-12-05 21:45:05,935 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:45:05,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:45:05,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:45:05,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:45:05,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:05" (3/4) ... [2024-12-05 21:45:05,937 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:45:05,965 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-12-05 21:45:05,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:45:05,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:45:05,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:45:05,998 INFO L158 Benchmark]: Toolchain (without parser) took 961.98ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 49.9MB in the end (delta: 43.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 21:45:05,998 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:05,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.52ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:05,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.45ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:05,999 INFO L158 Benchmark]: Boogie Preprocessor took 14.61ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 799.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:05,999 INFO L158 Benchmark]: RCFGBuilder took 273.31ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 71.8MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:45:06,000 INFO L158 Benchmark]: CodeCheck took 438.80ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 53.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:45:06,000 INFO L158 Benchmark]: Witness Printer took 61.35ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 49.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:06,002 INFO L338 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, 26 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 27]: 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] x >= 0 && x + y >= 0 VAL [x=1, y=2147483647, z=0] [L27] x + y VAL [z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.52ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.45ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.61ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 799.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.31ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 71.8MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 438.80ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 53.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 61.35ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 49.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:45:06,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f465f361-2faf-4536-8c48-a503df959625/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)