./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/lcm2-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/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_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/lcm2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/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 32bit --witnessprinter.graph.data.programhash 87fe24c9b82d44250ccd8cb84e24db672359503416c9c484b567a279f6bdfd23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:54:37,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:54:37,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 01:54:37,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:54:37,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:54:37,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:54:37,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:54:37,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:54:37,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:54:37,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:54:37,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:54:37,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:54:37,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:54:37,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:54:37,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:54:37,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:54:37,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:54:37,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:37,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:54:37,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:54:37,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:54:37,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:54:37,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:54:37,679 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_def65019-12d7-40cb-ae88-0656f42101fd/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87fe24c9b82d44250ccd8cb84e24db672359503416c9c484b567a279f6bdfd23 [2024-12-06 01:54:37,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:54:37,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:54:37,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:54:37,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:54:37,955 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:54:37,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-nla/lcm2-both-t.c [2024-12-06 01:54:41,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/data/4429a98d2/6d874feb74ef477fa5c1658462f96202/FLAG427304ac5 [2024-12-06 01:54:41,437 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:54:41,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/sv-benchmarks/c/termination-nla/lcm2-both-t.c [2024-12-06 01:54:41,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/data/4429a98d2/6d874feb74ef477fa5c1658462f96202/FLAG427304ac5 [2024-12-06 01:54:41,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/data/4429a98d2/6d874feb74ef477fa5c1658462f96202 [2024-12-06 01:54:41,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:54:41,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:54:41,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:41,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:54:41,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:54:41,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f99083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41, skipping insertion in model container [2024-12-06 01:54:41,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:54:41,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:41,633 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:54:41,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:41,662 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:54:41,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41 WrapperNode [2024-12-06 01:54:41,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:41,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:41,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:54:41,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:54:41,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,691 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-12-06 01:54:41,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:41,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:54:41,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:54:41,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:54:41,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:54:41,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:54:41,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:54:41,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:54:41,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:41" (1/1) ... [2024-12-06 01:54:41,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:41,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:54:41,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:54:41,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:54:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:54:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:54:41,825 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:54:41,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:54:42,094 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-12-06 01:54:42,094 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:54:42,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:54:42,127 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:54:42,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:42 BoogieIcfgContainer [2024-12-06 01:54:42,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:54:42,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:54:42,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:54:42,141 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:54:42,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:42" (1/1) ... [2024-12-06 01:54:42,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:54:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2024-12-06 01:54:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-12-06 01:54:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:54:42,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:42,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:54:42,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2024-12-06 01:54:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2024-12-06 01:54:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:54:42,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:54:42,488 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:54:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:54:42,511 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:54:42,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:54:42 ImpRootNode [2024-12-06 01:54:42,536 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:54:42,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:54:42,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:54:42,537 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:54:42,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:42" (3/4) ... [2024-12-06 01:54:42,538 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:54:42,582 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 01:54:42,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:54:42,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:54:42,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:54:42,632 INFO L158 Benchmark]: Toolchain (without parser) took 1165.09ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 71.5MB in the end (delta: 46.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:54:42,632 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:54:42,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.67ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:54:42,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.39ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:54:42,633 INFO L158 Benchmark]: Boogie Preprocessor took 21.61ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 669.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:54:42,634 INFO L158 Benchmark]: RCFGBuilder took 412.87ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 91.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:54:42,634 INFO L158 Benchmark]: CodeCheck took 407.40ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 75.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:54:42,635 INFO L158 Benchmark]: Witness Printer took 94.22ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 71.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:54:42,637 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, 51 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 5 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: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int a, b; [L21] int x, y, u, v; [L22] a = __VERIFIER_nondet_uint() [L23] b = __VERIFIER_nondet_uint() [L30] COND FALSE !(a < 1 || b < 1 || a > 65535 || b > 65535) [L34] x = a [L35] y = b [L36] u = b [L37] v = a VAL [a=32769, b=65535, u=65535, v=32769, x=32769, y=65535] [L42] x*u VAL [a=32769, b=65535, v=32769, y=65535] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.67ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.39ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.61ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 669.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.87ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 91.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 407.40ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 75.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 94.22ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 71.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:54:42,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def65019-12d7-40cb-ae88-0656f42101fd/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)