./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk --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 54b5147932454bca142f8acf67c312798cade21f1090c8b614fe75c9d58d4c7e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:34,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:34,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:20:34,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:20:34,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:20:34,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:34,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:34,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:34,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:34,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:34,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:34,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:34,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:34,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:34,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:34,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:34,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:34,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:34,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:20:34,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:20:34,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:34,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:34,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:34,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:34,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:34,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:34,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:34,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:34,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:34,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:34,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:20:34,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:20:34,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b5147932454bca142f8acf67c312798cade21f1090c8b614fe75c9d58d4c7e [2024-11-08 23:20:34,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:34,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:35,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:35,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:35,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:35,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i Unable to find full path for "g++" [2024-11-08 23:20:37,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:37,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:37,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i [2024-11-08 23:20:37,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/0ee9ccc57/d64c03f6e45349c98cfd97b1570ae994/FLAG39af4a5c4 [2024-11-08 23:20:37,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/0ee9ccc57/d64c03f6e45349c98cfd97b1570ae994 [2024-11-08 23:20:37,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:37,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:37,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:37,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:37,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:37,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:37" (1/1) ... [2024-11-08 23:20:37,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b558e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:37, skipping insertion in model container [2024-11-08 23:20:37,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:37" (1/1) ... [2024-11-08 23:20:37,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:38,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:38,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:38,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:39,174 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:39,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39 WrapperNode [2024-11-08 23:20:39,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:39,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:39,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:39,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:39,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,246 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-08 23:20:39,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:39,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:39,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:39,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:39,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:39,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:39,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:39,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:39,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:39,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:39,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:39,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:20:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:20:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:39,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:39,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:39,623 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:39,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:39,671 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:39,671 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:39,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:39 BoogieIcfgContainer [2024-11-08 23:20:39,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:39,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:39,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:39,684 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:39,684 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:39" (1/1) ... [2024-11-08 23:20:39,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:20:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:20:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:20:39,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:39,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:20:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:20:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:20:40,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:40,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:40,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:40,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:40,364 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:20:40,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:40 ImpRootNode [2024-11-08 23:20:40,403 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:40,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:40,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:40,405 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:40,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:39" (3/4) ... [2024-11-08 23:20:40,409 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:20:40,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:40,411 INFO L158 Benchmark]: Toolchain (without parser) took 2658.98ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 101.3MB in the beginning and 89.2MB in the end (delta: 12.0MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,412 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:40,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.64ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 101.3MB in the beginning and 134.2MB in the end (delta: -33.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.39ms. Allocated memory is still 188.7MB. Free memory was 134.2MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,415 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 188.7MB. Free memory was 131.2MB in the beginning and 130.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,417 INFO L158 Benchmark]: RCFGBuilder took 396.03ms. Allocated memory is still 188.7MB. Free memory was 130.1MB in the beginning and 115.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,418 INFO L158 Benchmark]: CodeCheck took 730.56ms. Allocated memory is still 188.7MB. Free memory was 115.4MB in the beginning and 90.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:40,419 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 188.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:40,422 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_max_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_postinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_max_postinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_max_postinc_53d_badSink(data) [L1577] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.64ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 101.3MB in the beginning and 134.2MB in the end (delta: -33.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.39ms. Allocated memory is still 188.7MB. Free memory was 134.2MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 188.7MB. Free memory was 131.2MB in the beginning and 130.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.03ms. Allocated memory is still 188.7MB. Free memory was 130.1MB in the beginning and 115.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 730.56ms. Allocated memory is still 188.7MB. Free memory was 115.4MB in the beginning and 90.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 188.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:20:40,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk --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 54b5147932454bca142f8acf67c312798cade21f1090c8b614fe75c9d58d4c7e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:43,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:43,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:20:43,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:43,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:43,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:43,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:43,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:43,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:43,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:43,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:43,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:43,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:43,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:43,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:20:43,315 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:20:43,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:43,316 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:20:43,316 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:20:43,316 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:20:43,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:43,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:43,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:43,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:43,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:43,323 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:43,323 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:20:43,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:43,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:43,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:43,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:43,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:43,328 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:20:43,328 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:43,329 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:20:43,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b5147932454bca142f8acf67c312798cade21f1090c8b614fe75c9d58d4c7e [2024-11-08 23:20:43,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:43,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:43,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:43,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:43,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:43,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i Unable to find full path for "g++" [2024-11-08 23:20:45,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:46,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:46,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_53_bad.i [2024-11-08 23:20:46,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/aba6c1869/c6fd8e56bfb64c5dbf6cb3c356f77523/FLAGa65132993 [2024-11-08 23:20:46,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/data/aba6c1869/c6fd8e56bfb64c5dbf6cb3c356f77523 [2024-11-08 23:20:46,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:46,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:46,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:46,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:46,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:46,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:46" (1/1) ... [2024-11-08 23:20:46,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc6e273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:46, skipping insertion in model container [2024-11-08 23:20:46,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:46" (1/1) ... [2024-11-08 23:20:46,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:47,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:47,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:47,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:47,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:47,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47 WrapperNode [2024-11-08 23:20:47,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:47,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:47,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:47,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:47,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,853 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-08 23:20:47,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:47,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:47,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:47,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:47,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:47,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:47,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:47,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:47,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:47" (1/1) ... [2024-11-08 23:20:47,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:47,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:47,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:20:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:20:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:48,193 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:48,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:48,350 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:48,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:48,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:48,436 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:48,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:48 BoogieIcfgContainer [2024-11-08 23:20:48,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:48,438 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:48,438 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:48,449 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:48,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:48" (1/1) ... [2024-11-08 23:20:48,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:20:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:20:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:20:48,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:48,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:48,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:48,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:20:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:48,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:48,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:20:48,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:48,794 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:20:48,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:20:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:20:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:20:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:20:48,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:48,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:48,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:48,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:48,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:20:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:48,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:49,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:49,166 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:20:49,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:20:49,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:49 ImpRootNode [2024-11-08 23:20:49,209 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:49,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:49,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:49,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:49,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:48" (3/4) ... [2024-11-08 23:20:49,213 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:20:49,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:49,216 INFO L158 Benchmark]: Toolchain (without parser) took 2835.77ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 53.7MB in the beginning and 64.0MB in the end (delta: -10.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:49,216 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:49,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.25ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 40.6MB in the end (delta: 12.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 23:20:49,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.20ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 37.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:49,218 INFO L158 Benchmark]: Boogie Preprocessor took 31.32ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:49,221 INFO L158 Benchmark]: RCFGBuilder took 551.26ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 35.5MB in the beginning and 58.3MB in the end (delta: -22.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-08 23:20:49,223 INFO L158 Benchmark]: CodeCheck took 770.91ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 64.6MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:49,224 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 64.0MB in the end (delta: 571.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:49,228 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_max_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_postinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_max_postinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_max_postinc_53d_badSink(data) [L1577] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.25ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 40.6MB in the end (delta: 12.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.20ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 37.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.32ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.26ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 35.5MB in the beginning and 58.3MB in the end (delta: -22.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * CodeCheck took 770.91ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 64.6MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 64.0MB in the end (delta: 571.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:20:49,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc843dd1-51c8-4d13-85c2-f4814d8152ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample