./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_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_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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_0c50907e-53bb-4553-aa32-ab30085d1267/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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:52:41,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:52:41,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:52:41,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:52:41,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:52:41,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:52:41,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:52:41,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:52:41,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:52:41,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:52:41,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:52:41,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:52:41,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:52:41,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:52:41,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:52:41,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:52:41,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:41,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:52:41,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:52:41,243 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_0c50907e-53bb-4553-aa32-ab30085d1267/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 -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2024-11-13 21:52:41,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:52:41,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:52:41,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:52:41,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:52:41,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:52:41,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i Unable to find full path for "g++" [2024-11-13 21:52:43,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:52:43,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:52:43,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2024-11-13 21:52:43,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/0a4c14421/f0599c5f45614b4c84c308be30dad2a7/FLAGb8aaac9e0 [2024-11-13 21:52:43,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/0a4c14421/f0599c5f45614b4c84c308be30dad2a7 [2024-11-13 21:52:43,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:52:43,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:52:43,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:43,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:52:43,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:52:43,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:43" (1/1) ... [2024-11-13 21:52:43,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e3ef06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:43, skipping insertion in model container [2024-11-13 21:52:43,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:43" (1/1) ... [2024-11-13 21:52:44,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:52:44,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:44,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:52:44,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:45,120 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:52:45,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45 WrapperNode [2024-11-13 21:52:45,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:45,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:45,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:52:45,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:52:45,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,164 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 21:52:45,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:45,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:52:45,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:52:45,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:52:45,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:52:45,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:52:45,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:52:45,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:52:45,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:45,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:52:45,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:52:45,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:52:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:52:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:52:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:52:45,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:52:45,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:52:45,511 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:52:45,511 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:52:45,571 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:52:45,572 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:52:45,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:45 BoogieIcfgContainer [2024-11-13 21:52:45,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:52:45,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:52:45,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:52:45,588 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:52:45,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:45" (1/1) ... [2024-11-13 21:52:45,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:52:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:52:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:52:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:52:45,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:45,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:45,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:45,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:45,937 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:52:45,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:52:45 ImpRootNode [2024-11-13 21:52:45,971 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:52:45,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:52:45,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:52:45,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:52:45,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:45" (3/4) ... [2024-11-13 21:52:45,974 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:52:45,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:52:45,976 INFO L158 Benchmark]: Toolchain (without parser) took 1997.69ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 50.6MB in the end (delta: 37.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 21:52:45,976 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:45,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1139.27ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 81.1MB in the end (delta: 7.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:52:45,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.57ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:45,978 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 733.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:45,978 INFO L158 Benchmark]: RCFGBuilder took 378.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:45,978 INFO L158 Benchmark]: CodeCheck took 398.06ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 50.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:52:45,979 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 117.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:45,981 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 83.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1139.27ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 81.1MB in the end (delta: 7.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.57ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 733.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 398.06ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 50.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 117.4MB. Free memory is still 50.6MB. 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 21:52:46,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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_0c50907e-53bb-4553-aa32-ab30085d1267/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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:52:48,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:52:48,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:52:48,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:52:48,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:52:48,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:52:48,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:52:48,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:52:48,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:52:48,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:52:48,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:52:48,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:52:48,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:52:48,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:52:48,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:52:48,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:52:48,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:52:48,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:52:48,804 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:52:48,804 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:48,804 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:52:48,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:48,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:48,805 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:52:48,806 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_0c50907e-53bb-4553-aa32-ab30085d1267/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 -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2024-11-13 21:52:49,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:52:49,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:52:49,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:52:49,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:52:49,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:52:49,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i Unable to find full path for "g++" [2024-11-13 21:52:51,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:52:51,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:52:51,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2024-11-13 21:52:51,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/2935e0578/01a8d4bd738542958fe5e977fc12e77e/FLAGb33d46eb8 [2024-11-13 21:52:51,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/data/2935e0578/01a8d4bd738542958fe5e977fc12e77e [2024-11-13 21:52:51,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:52:51,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:52:51,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:51,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:52:51,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:52:51,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:51" (1/1) ... [2024-11-13 21:52:51,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c094571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:51, skipping insertion in model container [2024-11-13 21:52:51,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:51" (1/1) ... [2024-11-13 21:52:51,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:52:52,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:52,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:52:52,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:52,949 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:52:52,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52 WrapperNode [2024-11-13 21:52:52,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:52,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:52,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:52:52,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:52:52,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:52,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:52,994 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 21:52:52,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:52,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:52:52,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:52:52,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:52:53,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:52:53,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:52:53,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:52:53,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:52:53,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:52" (1/1) ... [2024-11-13 21:52:53,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:52:53,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:52:53,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:52:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:52:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:52:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:52:53,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:52:53,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:52:53,366 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:52:53,366 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:52:53,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:52:53,416 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:52:53,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:53 BoogieIcfgContainer [2024-11-13 21:52:53,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:52:53,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:52:53,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:52:53,427 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:52:53,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:53" (1/1) ... [2024-11-13 21:52:53,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:52:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:52:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:52:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:52:53,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:53,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:53,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:53,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:52:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:53,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:53,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:53,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:52:53,835 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:52:53,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:52:53 ImpRootNode [2024-11-13 21:52:53,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:52:53,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:52:53,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:52:53,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:52:53,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:53" (3/4) ... [2024-11-13 21:52:53,872 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:52:53,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:52:53,875 INFO L158 Benchmark]: Toolchain (without parser) took 2193.56ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 43.2MB in the end (delta: 14.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 21:52:53,876 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:53,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.51ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:53,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.12ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:53,879 INFO L158 Benchmark]: Boogie Preprocessor took 27.89ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:53,880 INFO L158 Benchmark]: RCFGBuilder took 392.68ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 32.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:52:53,880 INFO L158 Benchmark]: CodeCheck took 449.01ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 43.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:53,880 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 430.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:53,883 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.51ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.12ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.89ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.68ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 32.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 449.01ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 43.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 430.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:52:53,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c50907e-53bb-4553-aa32-ab30085d1267/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