./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3 --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 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:36,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:36,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:30:37,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:30:37,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:30:37,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:37,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:37,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:37,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:37,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:37,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:37,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:37,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:30:37,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:37,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:37,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:37,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:37,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:37,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:37,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:30:37,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:30:37,042 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_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 [2024-11-25 02:30:37,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:37,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:37,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:37,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:37,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:37,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2024-11-25 02:30:40,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/816630735/b365793621c149839c6d3d46f31db731/FLAGf34342b13 [2024-11-25 02:30:40,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:40,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2024-11-25 02:30:40,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/816630735/b365793621c149839c6d3d46f31db731/FLAGf34342b13 [2024-11-25 02:30:40,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/816630735/b365793621c149839c6d3d46f31db731 [2024-11-25 02:30:40,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:40,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:40,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:40,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:40,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:40,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:40" (1/1) ... [2024-11-25 02:30:40,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712ca220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:40, skipping insertion in model container [2024-11-25 02:30:40,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:40" (1/1) ... [2024-11-25 02:30:40,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:41,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:41,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:42,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:42,202 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:42,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42 WrapperNode [2024-11-25 02:30:42,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:42,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:42,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:42,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:42,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,250 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 02:30:42,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:42,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:42,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:42,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:42,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:42,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:42,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:42,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:42,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:42,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:42,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:30:42,509 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:42,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:42,622 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:42,623 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:42,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:42,659 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:30:42,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42 BoogieIcfgContainer [2024-11-25 02:30:42,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:42,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:42,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:42,669 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:42,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:30:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:30:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:30:42,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:42,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-11-25 02:30:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 02:30:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:30:43,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:43,135 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:43,259 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:43,312 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:30:43,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:43 ImpRootNode [2024-11-25 02:30:43,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:43,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:43,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:43,352 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:43,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42" (3/4) ... [2024-11-25 02:30:43,355 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:30:43,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:43,357 INFO L158 Benchmark]: Toolchain (without parser) took 2524.22ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 34.3MB in the end (delta: 53.7MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:43,357 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:43,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.41ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 78.8MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 02:30:43,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:43,358 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 75.3MB in the end (delta: 573.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:43,359 INFO L158 Benchmark]: RCFGBuilder took 380.76ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 61.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:43,362 INFO L158 Benchmark]: CodeCheck took 690.56ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 34.3MB in the end (delta: 26.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:43,363 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:43,365 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 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, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) [L1569] 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.41ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 78.8MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 75.3MB in the end (delta: 573.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.76ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 61.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 690.56ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 34.3MB in the end (delta: 26.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:30:43,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/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_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3 --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 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:46,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:46,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:30:46,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:46,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:46,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:46,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:46,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:46,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:46,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:46,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:46,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:30:46,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:46,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:46,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:46,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:46,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:46,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:46,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:46,212 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:46,212 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:30:46,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:46,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:46,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:46,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:46,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:46,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:30:46,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:46,213 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:30:46,213 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_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 [2024-11-25 02:30:46,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:46,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:46,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:46,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:46,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:46,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2024-11-25 02:30:49,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/bea5974d5/1f1d7e36c81a4707a00a2aa998d8f8c1/FLAGc7d3bdd0d [2024-11-25 02:30:50,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:50,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2024-11-25 02:30:50,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/bea5974d5/1f1d7e36c81a4707a00a2aa998d8f8c1/FLAGc7d3bdd0d [2024-11-25 02:30:50,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/data/bea5974d5/1f1d7e36c81a4707a00a2aa998d8f8c1 [2024-11-25 02:30:50,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:50,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:50,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:50,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:50,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:50,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:50" (1/1) ... [2024-11-25 02:30:50,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de645ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:50, skipping insertion in model container [2024-11-25 02:30:50,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:50" (1/1) ... [2024-11-25 02:30:50,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:51,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:51,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:51,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:51,292 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:51,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51 WrapperNode [2024-11-25 02:30:51,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:51,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:51,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:51,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:51,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,340 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 02:30:51,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:51,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:51,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:51,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:51,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:51,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:51,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:51,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:51,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:51,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:51,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:30:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:51,590 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:51,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:51,748 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:51,749 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:51,820 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:51,820 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:30:51,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:51 BoogieIcfgContainer [2024-11-25 02:30:51,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:51,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:51,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:51,832 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:51,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:51" (1/1) ... [2024-11-25 02:30:51,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:30:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:30:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:30:51,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:51,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:51,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:51,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:51,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:30:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:52,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:52,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:30:52,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:52,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:30:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 02:30:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 02:30:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:30:52,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:52,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:52,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:52,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:30:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:52,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:52,497 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:52,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:30:52,542 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:30:52,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:52 ImpRootNode [2024-11-25 02:30:52,581 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:52,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:52,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:52,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:52,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:51" (3/4) ... [2024-11-25 02:30:52,587 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:30:52,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:52,588 INFO L158 Benchmark]: Toolchain (without parser) took 2497.96ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 30.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-25 02:30:52,589 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:52,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.50ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 52.3MB in the end (delta: 4.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 02:30:52,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.52ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:52,590 INFO L158 Benchmark]: Boogie Preprocessor took 25.84ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:52,590 INFO L158 Benchmark]: RCFGBuilder took 453.56ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 31.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:52,591 INFO L158 Benchmark]: CodeCheck took 758.87ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 30.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-25 02:30:52,591 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 30.3MB in the end (delta: 431.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:52,593 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.50ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 52.3MB in the end (delta: 4.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.52ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.84ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.56ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 31.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 758.87ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 30.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 30.3MB in the end (delta: 431.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:30:52,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01785fc8-47ab-44d7-b480-d71ffc2e87b3/bin/ukojak-verify-ENZ3QT5qd3/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