./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i --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_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/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_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/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_4b6250dc-aa56-4bef-8936-68cca7e11415/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 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:11:30,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:11:30,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:11:30,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:11:30,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:11:30,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:11:30,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:11:30,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:11:30,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:11:30,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:11:30,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:11:30,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:11:30,497 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:11:30,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:11:30,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:11:30,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:11:30,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:11:30,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:11:30,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:11:30,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:11:30,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:11:30,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:30,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:11:30,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:11:30,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:11:30,499 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:11:30,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:11:30,499 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_4b6250dc-aa56-4bef-8936-68cca7e11415/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 -> 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c [2024-11-13 22:11:30,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:11:30,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:11:30,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:11:30,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:11:30,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:11:30,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i Unable to find full path for "g++" [2024-11-13 22:11:32,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:11:33,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:11:33,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2024-11-13 22:11:33,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/168a7ff4b/336e61044e9f4311b3e34b92e08b2ac2/FLAG99709e14a [2024-11-13 22:11:33,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/168a7ff4b/336e61044e9f4311b3e34b92e08b2ac2 [2024-11-13 22:11:33,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:11:33,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:11:33,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:33,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:11:33,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:11:33,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:33" (1/1) ... [2024-11-13 22:11:33,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549ef215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:33, skipping insertion in model container [2024-11-13 22:11:33,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:33" (1/1) ... [2024-11-13 22:11:33,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:11:34,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:34,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:11:34,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:34,964 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:11:34,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34 WrapperNode [2024-11-13 22:11:34,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:34,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:34,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:11:34,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:11:34,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,043 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-13 22:11:35,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:35,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:11:35,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:11:35,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:11:35,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:11:35,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:11:35,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:11:35,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:11:35,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:34" (1/1) ... [2024-11-13 22:11:35,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:35,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:11:35,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:11:35,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:11:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:11:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:11:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:11:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:11:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:11:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:11:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:11:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:11:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:11:35,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:11:35,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:11:35,789 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 22:11:35,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:11:36,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:11:36,101 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:11:36,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:36 BoogieIcfgContainer [2024-11-13 22:11:36,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:11:36,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:11:36,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:11:36,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:11:36,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:36" (1/1) ... [2024-11-13 22:11:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:11:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:11:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:11:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:11:36,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:11:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:11:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:11:37,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:37,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:37,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:37,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:37,668 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:11:37,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:11:37 ImpRootNode [2024-11-13 22:11:37,709 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:11:37,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:11:37,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:11:37,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:11:37,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:36" (3/4) ... [2024-11-13 22:11:37,714 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:11:37,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:11:37,718 INFO L158 Benchmark]: Toolchain (without parser) took 4086.79ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 63.3MB in the end (delta: 52.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-13 22:11:37,718 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 104.8MB in the end (delta: 216.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:37,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.91ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.9MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:11:37,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.61ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 52.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:11:37,720 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:37,723 INFO L158 Benchmark]: RCFGBuilder took 1009.56ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 81.8MB in the end (delta: -30.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 22:11:37,724 INFO L158 Benchmark]: CodeCheck took 1606.67ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 64.1MB in the end (delta: 16.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 22:11:37,724 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 63.3MB in the end (delta: 818.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:37,726 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: 1.5s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 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, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 1568]: 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, overapproximation of bitwiseOr at line 1553. 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_rand_add_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data + 1 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 0.49ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 104.8MB in the end (delta: 216.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.91ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.9MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.61ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 52.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1009.56ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 81.8MB in the end (delta: -30.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 1606.67ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 64.1MB in the end (delta: 16.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 63.3MB in the end (delta: 818.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:11:37,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/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_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/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 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:11:40,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:11:40,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:11:40,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:11:40,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:11:40,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:11:40,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:11:40,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:11:40,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:11:40,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:11:40,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:11:40,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:11:40,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:11:40,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:40,763 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:11:40,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:40,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:40,764 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:11:40,764 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_4b6250dc-aa56-4bef-8936-68cca7e11415/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 -> 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c [2024-11-13 22:11:41,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:11:41,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:11:41,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:11:41,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:11:41,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:11:41,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i Unable to find full path for "g++" [2024-11-13 22:11:43,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:11:43,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:11:43,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2024-11-13 22:11:43,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/a94d2a373/42146671bdd4436685c05555c460bc6e/FLAG84b813791 [2024-11-13 22:11:43,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/data/a94d2a373/42146671bdd4436685c05555c460bc6e [2024-11-13 22:11:43,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:11:43,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:11:43,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:43,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:11:43,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:11:43,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:43" (1/1) ... [2024-11-13 22:11:43,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520f0fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:43, skipping insertion in model container [2024-11-13 22:11:43,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:43" (1/1) ... [2024-11-13 22:11:43,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:11:44,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:44,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:11:44,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:44,963 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:11:44,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44 WrapperNode [2024-11-13 22:11:44,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:44,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:44,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:11:44,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:11:44,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:44,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,019 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-13 22:11:45,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:45,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:11:45,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:11:45,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:11:45,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:11:45,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:11:45,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:11:45,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:11:45,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:44" (1/1) ... [2024-11-13 22:11:45,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:11:45,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:11:45,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:11:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:11:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:11:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:11:45,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:11:45,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:11:45,545 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 22:11:45,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:11:45,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:11:45,657 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:11:45,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:45 BoogieIcfgContainer [2024-11-13 22:11:45,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:11:45,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:11:45,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:11:45,670 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:11:45,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:45" (1/1) ... [2024-11-13 22:11:45,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:11:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:11:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:11:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:11:45,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:45,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:45,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:11:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:45,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:46,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:11:46,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:46,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:11:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:11:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:11:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:11:46,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:46,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:46,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:46,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:11:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:46,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:46,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:46,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:11:46,676 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:11:46,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:11:46 ImpRootNode [2024-11-13 22:11:46,711 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:11:46,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:11:46,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:11:46,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:11:46,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:45" (3/4) ... [2024-11-13 22:11:46,715 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:11:46,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:11:46,719 INFO L158 Benchmark]: Toolchain (without parser) took 3093.77ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 48.2MB in the end (delta: 8.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-13 22:11:46,720 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:46,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.99ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:11:46,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.94ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:46,721 INFO L158 Benchmark]: Boogie Preprocessor took 53.32ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:46,721 INFO L158 Benchmark]: RCFGBuilder took 583.56ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 51.5MB in the end (delta: -5.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 22:11:46,721 INFO L158 Benchmark]: CodeCheck took 1052.38ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2024-11-13 22:11:46,725 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 48.2MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:46,726 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: 1.0s, 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 3 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 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: 1568]: 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_rand_add_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data + 1 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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.99ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.94ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.32ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.56ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 51.5MB in the end (delta: -5.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 1052.38ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 48.2MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:11:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6250dc-aa56-4bef-8936-68cca7e11415/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 Result: UNKNOWN: Overapproximated counterexample