./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.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_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/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_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/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_aa509330-a347-4217-ad0b-a9e60a632645/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 f3b0a85b193dd727e41f92aa8ad8c9c43fabbe0635b66c30fec4c384343071b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:53:47,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:53:47,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:53:47,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:53:47,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:53:47,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:53:47,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:53:47,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:53:47,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:53:47,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:53:47,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:53:47,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:53:47,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:53:47,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:53:47,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:47,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:53:47,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:53:47,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:53:47,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:53:47,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:53:47,667 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_aa509330-a347-4217-ad0b-a9e60a632645/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 -> f3b0a85b193dd727e41f92aa8ad8c9c43fabbe0635b66c30fec4c384343071b2 [2024-12-06 05:53:47,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:53:47,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:53:47,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:53:47,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:53:47,943 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:53:47,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c [2024-12-06 05:53:50,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/data/33c4cedca/062ea5474a3a4c01bf50a2c2d914c7b3/FLAG04a179f3a [2024-12-06 05:53:50,778 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:53:50,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c [2024-12-06 05:53:50,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/data/33c4cedca/062ea5474a3a4c01bf50a2c2d914c7b3/FLAG04a179f3a [2024-12-06 05:53:51,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/data/33c4cedca/062ea5474a3a4c01bf50a2c2d914c7b3 [2024-12-06 05:53:51,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:53:51,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:53:51,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:51,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:53:51,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:53:51,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf835f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51, skipping insertion in model container [2024-12-06 05:53:51,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:53:51,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:51,305 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:53:51,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:51,329 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:53:51,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51 WrapperNode [2024-12-06 05:53:51,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:51,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:51,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:53:51,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:53:51,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,356 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-06 05:53:51,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:51,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:53:51,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:53:51,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:53:51,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:53:51,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:53:51,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:53:51,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:53:51,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:53:51,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:53:51,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:53:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:53:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:53:51,483 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:53:51,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:53:51,576 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 05:53:51,577 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:53:51,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:53:51,603 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:53:51,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:51 BoogieIcfgContainer [2024-12-06 05:53:51,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:53:51,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:53:51,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:53:51,615 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:53:51,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:51" (1/1) ... [2024-12-06 05:53:51,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:53:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-12-06 05:53:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-12-06 05:53:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:53:51,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:51,803 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 05:53:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-12-06 05:53:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-06 05:53:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:53:51,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:51,881 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 05:53:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 05:53:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 05:53:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:53:51,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:51,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:53:51,963 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:53:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:53:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:53:51,992 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:53:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:53:52,001 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 05:53:52,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:53:52 ImpRootNode [2024-12-06 05:53:52,024 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:53:52,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:53:52,025 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:53:52,025 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:53:52,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:51" (3/4) ... [2024-12-06 05:53:52,026 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:53:52,061 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 05:53:52,104 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:53:52,104 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:53:52,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:53:52,105 INFO L158 Benchmark]: Toolchain (without parser) took 937.06ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 73.5MB in the end (delta: 43.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:53:52,106 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:53:52,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.52ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:53:52,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.1MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:53:52,107 INFO L158 Benchmark]: Boogie Preprocessor took 16.97ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 565.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:53:52,107 INFO L158 Benchmark]: RCFGBuilder took 229.42ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 94.6MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:53:52,107 INFO L158 Benchmark]: CodeCheck took 419.41ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 77.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:53:52,108 INFO L158 Benchmark]: Witness Printer took 79.90ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 73.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:53:52,109 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, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, n; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] n = __VERIFIER_nondet_int() [L27] COND TRUE x > 0 && x < n VAL [n=2, x=1, y=-2147483648] [L28] EXPR -x VAL [n=2, x=1, y=-2147483648] [L28] -x + y VAL [n=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.52ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.1MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.97ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 565.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.42ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 94.6MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 419.41ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 77.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 79.90ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 73.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:53:52,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa509330-a347-4217-ad0b-a9e60a632645/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)