./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm --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 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:36,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:36,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:57:37,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:37,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:37,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:37,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:37,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:37,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:37,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:37,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:37,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:37,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:37,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:57:37,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:37,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:37,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:37,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:37,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:37,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:37,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:37,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:37,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:37,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:37,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:37,037 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:37,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:37,037 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_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm 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 -> 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb [2024-11-13 22:57:37,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:37,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:37,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:37,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:37,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:37,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c Unable to find full path for "g++" [2024-11-13 22:57:39,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:40,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:40,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2024-11-13 22:57:40,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/data/dc606470e/de376265c9f34aabac99f4b74b878aae/FLAG4f50470a0 [2024-11-13 22:57:40,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/data/dc606470e/de376265c9f34aabac99f4b74b878aae [2024-11-13 22:57:40,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:40,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:40,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:40,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:40,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:40,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4a7c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40, skipping insertion in model container [2024-11-13 22:57:40,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:40,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:40,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:40,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:40,703 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:40,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40 WrapperNode [2024-11-13 22:57:40,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:40,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:40,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:40,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:40,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,743 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 22:57:40,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:40,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:40,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:40,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:40,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:40,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:40,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:40,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:40,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:40" (1/1) ... [2024-11-13 22:57:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:40,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:40,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:40,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:40,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:41,214 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:41,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:41,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:41,248 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:57:41,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:41 BoogieIcfgContainer [2024-11-13 22:57:41,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:41,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:41,250 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:41,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:41,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:41" (1/1) ... [2024-11-13 22:57:41,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-11-13 22:57:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-13 22:57:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:57:41,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:41,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:41,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:41,524 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:57:41,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:57:41 ImpRootNode [2024-11-13 22:57:41,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:57:41,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:57:41,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:57:41,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:57:41,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:41" (3/4) ... [2024-11-13 22:57:41,556 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:57:41,591 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:57:41,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:57:41,593 INFO L158 Benchmark]: Toolchain (without parser) took 1207.39ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 83.7MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:57:41,593 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:41,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:57:41,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.11ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:41,594 INFO L158 Benchmark]: Boogie Preprocessor took 35.81ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.7MB in the end (delta: 692.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:41,595 INFO L158 Benchmark]: RCFGBuilder took 467.21ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 95.9MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:41,595 INFO L158 Benchmark]: CodeCheck took 303.66ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:57:41,597 INFO L158 Benchmark]: Witness Printer took 37.36ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:41,600 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, 29 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int a, b, x, y; [L17] a = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] x = __VERIFIER_nondet_int() [L20] y = __VERIFIER_nondet_int() [L21] COND TRUE a == b VAL [a=-1, b=-1, x=-2147483648, y=0] [L22] COND TRUE x >= 0 || y >= 0 VAL [a=-1, b=-1, x=-2147483648, y=0] [L23] x + a VAL [b=-1, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.11ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.81ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.7MB in the end (delta: 692.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.21ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 95.9MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 303.66ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 37.36ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:57:41,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de23ec8-5c3a-4811-bd15-7727d00160b8/bin/ukojak-verify-EEHR8qb7sm/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)