./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple2.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_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/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_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/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_20f1c69b-ec30-4c1f-b453-ec9297f077bc/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 2e9606bf766cb559a21cba7ee2258e715c8eee39e7581253202582713da7b502 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:23:11,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:23:11,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:23:11,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:23:11,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:23:11,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:23:11,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:23:11,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:23:11,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:23:11,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:23:11,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:23:11,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:23:11,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:23:11,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:11,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:23:11,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:23:11,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:23:11,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:23:11,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:23:11,513 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_20f1c69b-ec30-4c1f-b453-ec9297f077bc/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 -> 2e9606bf766cb559a21cba7ee2258e715c8eee39e7581253202582713da7b502 [2024-12-06 06:23:11,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:23:11,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:23:11,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:23:11,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:23:11,754 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:23:11,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple2.c [2024-12-06 06:23:14,376 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/data/85b3de410/9b4dd16a649445feb5494195ded54eae/FLAGac8740298 [2024-12-06 06:23:14,580 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:23:14,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/sv-benchmarks/c/termination-crafted/NonTerminationSimple2.c [2024-12-06 06:23:14,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/data/85b3de410/9b4dd16a649445feb5494195ded54eae/FLAGac8740298 [2024-12-06 06:23:14,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/data/85b3de410/9b4dd16a649445feb5494195ded54eae [2024-12-06 06:23:14,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:23:14,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:23:14,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:14,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:23:14,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:23:14,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:14" (1/1) ... [2024-12-06 06:23:14,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd8013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:14, skipping insertion in model container [2024-12-06 06:23:14,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:14" (1/1) ... [2024-12-06 06:23:14,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:23:15,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:15,044 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:23:15,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:15,061 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:23:15,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15 WrapperNode [2024-12-06 06:23:15,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:15,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:15,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:23:15,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:23:15,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,079 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-12-06 06:23:15,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:15,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:23:15,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:23:15,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:23:15,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,088 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:23:15,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:23:15,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:23:15,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:23:15,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:15,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:23:15,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:23:15,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:23:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:23:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:23:15,189 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:23:15,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:23:15,235 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:23:15,235 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:23:15,251 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:23:15,251 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:23:15,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:15 BoogieIcfgContainer [2024-12-06 06:23:15,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:23:15,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:23:15,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:23:15,260 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:23:15,260 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:15" (1/1) ... [2024-12-06 06:23:15,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:23:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-06 06:23:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-06 06:23:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:23:15,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:15,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:23:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:23:15,414 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 06:23:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:15,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:23:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:23:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:23:15,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:15,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:23:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:15,474 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:15,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:15,499 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 06:23:15,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:23:15 ImpRootNode [2024-12-06 06:23:15,515 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:23:15,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:23:15,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:23:15,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:23:15,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:15" (3/4) ... [2024-12-06 06:23:15,517 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:23:15,540 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 06:23:15,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:23:15,568 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:23:15,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:23:15,568 INFO L158 Benchmark]: Toolchain (without parser) took 637.12ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 81.5MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:23:15,569 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:15,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.82ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 109.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:23:15,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.96ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.0MB in the end (delta: 765.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:15,570 INFO L158 Benchmark]: Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.2MB in the end (delta: 782.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:15,570 INFO L158 Benchmark]: RCFGBuilder took 159.05ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 98.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:23:15,570 INFO L158 Benchmark]: CodeCheck took 262.36ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 85.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:23:15,571 INFO L158 Benchmark]: Witness Printer took 52.63ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 81.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:15,573 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 15 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, 10 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: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] x = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 VAL [x=2147483647] [L17] x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.82ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 109.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.96ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.0MB in the end (delta: 765.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.2MB in the end (delta: 782.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 159.05ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 98.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 262.36ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 85.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 52.63ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 81.5MB 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 06:23:15,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f1c69b-ec30-4c1f-b453-ec9297f077bc/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)