./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_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_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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_2885d054-e0e1-47c9-904e-4e5912cd2628/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 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:14,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:14,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:22:14,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:22:14,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:22:14,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:14,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:22:14,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:22:14,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:14,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:14,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:14,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:22:14,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:22:14,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:14,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:22:14,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:14,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:22:14,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:14,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:22:14,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:22:14,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:22:14,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:14,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:14,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:14,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:14,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:14,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:14,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:14,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:14,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:22:14,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:22:14,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:22:14,455 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_2885d054-e0e1-47c9-904e-4e5912cd2628/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 -> 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd [2024-11-13 22:22:14,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:14,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:14,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:14,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:14,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:14,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i Unable to find full path for "g++" [2024-11-13 22:22:16,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:16,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:16,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2024-11-13 22:22:17,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/65bb291cc/f0e79536012a436baff7733dde26f3ab/FLAGf18a6187c [2024-11-13 22:22:17,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/65bb291cc/f0e79536012a436baff7733dde26f3ab [2024-11-13 22:22:17,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:17,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:17,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:17,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:17,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:17,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:17" (1/1) ... [2024-11-13 22:22:17,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ad5b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:17, skipping insertion in model container [2024-11-13 22:22:17,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:17" (1/1) ... [2024-11-13 22:22:17,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:17,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:17,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:17,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:18,129 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:18,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18 WrapperNode [2024-11-13 22:22:18,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:18,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:18,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:18,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:18,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,209 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-13 22:22:18,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:18,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:18,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:18,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:18,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:18,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:18,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:18,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:18,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:18,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:18,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:18,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:18,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:22:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:22:18,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:18,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:22:18,733 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-13 22:22:18,733 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:22:18,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:22:18,977 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:22:18,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:18 BoogieIcfgContainer [2024-11-13 22:22:18,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:22:18,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:22:18,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:22:18,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:22:18,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:18" (1/1) ... [2024-11-13 22:22:19,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:22:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:22:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:22:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:22:19,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:19,769 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 22:22:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:22:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:22:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:22:19,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:19,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:20,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:20,238 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:22:20,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:22:20 ImpRootNode [2024-11-13 22:22:20,276 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:22:20,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:22:20,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:22:20,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:22:20,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:18" (3/4) ... [2024-11-13 22:22:20,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:22:20,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:22:20,282 INFO L158 Benchmark]: Toolchain (without parser) took 3244.79ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 65.3MB in the end (delta: 50.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-11-13 22:22:20,285 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:20,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1093.46ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 56.2MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:22:20,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.30ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:22:20,286 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:20,286 INFO L158 Benchmark]: RCFGBuilder took 728.73ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 82.3MB in the end (delta: -30.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 22:22:20,287 INFO L158 Benchmark]: CodeCheck took 1297.27ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 65.3MB in the end (delta: 16.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-13 22:22:20,287 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:20,291 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s 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, 0.5s 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: 1562]: 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 1571, overapproximation of bitwiseOr at line 1556. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1093.46ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 56.2MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.30ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 728.73ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 82.3MB in the end (delta: -30.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 1297.27ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 65.3MB in the end (delta: 16.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 13.7kB). 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 22:22:20,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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 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_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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_2885d054-e0e1-47c9-904e-4e5912cd2628/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 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:23,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:23,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:22:23,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:23,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:22:23,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:22:23,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:23,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:23,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:23,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:22:23,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:23,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:22:23,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:23,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:22:23,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:22:23,722 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:23,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:23,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:22:23,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:23,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:22:23,724 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:22:23,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:23,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:22:23,725 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_2885d054-e0e1-47c9-904e-4e5912cd2628/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 -> 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd [2024-11-13 22:22:24,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:24,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:24,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:24,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:24,120 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:24,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i Unable to find full path for "g++" [2024-11-13 22:22:26,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:27,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:27,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2024-11-13 22:22:27,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/7c1826d67/5a431165021141c6a2bb38ef013c195a/FLAG52ce108e2 [2024-11-13 22:22:27,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/data/7c1826d67/5a431165021141c6a2bb38ef013c195a [2024-11-13 22:22:27,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:27,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:27,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:27,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:27,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:27,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:27" (1/1) ... [2024-11-13 22:22:27,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3739fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:27, skipping insertion in model container [2024-11-13 22:22:27,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:27" (1/1) ... [2024-11-13 22:22:27,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:28,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:28,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:28,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:29,178 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:29,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29 WrapperNode [2024-11-13 22:22:29,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:29,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:29,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:29,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:29,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,250 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 22:22:29,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:29,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:29,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:29,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:29,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:29,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:29,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:29,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:29,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:29,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:29,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:22:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:22:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:22:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:22:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:22:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:22:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:22:29,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:29,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:22:29,745 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 22:22:29,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:22:29,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:22:29,833 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:22:29,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:29 BoogieIcfgContainer [2024-11-13 22:22:29,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:22:29,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:22:29,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:22:29,846 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:22:29,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:22:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:22:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:22:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:22:29,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:29,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:29,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:29,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:29,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:22:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:30,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:30,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:22:30,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:30,212 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 22:22:30,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:22:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:22:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:22:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:22:30,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:30,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:30,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:30,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:30,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:22:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:30,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:30,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:30,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:22:30,762 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:22:30,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:22:30 ImpRootNode [2024-11-13 22:22:30,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:22:30,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:22:30,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:22:30,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:22:30,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:29" (3/4) ... [2024-11-13 22:22:30,806 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:22:30,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:22:30,808 INFO L158 Benchmark]: Toolchain (without parser) took 3550.08ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 65.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-11-13 22:22:30,808 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:30,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1920.75ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 65.7MB in the end (delta: 22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 22:22:30,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.72ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:30,814 INFO L158 Benchmark]: Boogie Preprocessor took 36.26ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 61.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:30,815 INFO L158 Benchmark]: RCFGBuilder took 544.98ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 41.5MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:22:30,815 INFO L158 Benchmark]: CodeCheck took 966.58ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 66.2MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:30,815 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 703.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:30,817 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: 0.9s, 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: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.68ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1920.75ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 65.7MB in the end (delta: 22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.72ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.26ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 61.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.98ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 41.5MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 966.58ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 66.2MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 703.9kB). 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 22:22:30,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2885d054-e0e1-47c9-904e-4e5912cd2628/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