./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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_24b2cb9d-83f7-4468-ab36-724114ec90d1/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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:28:13,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:28:13,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:28:14,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:28:14,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:28:14,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:28:14,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:28:14,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:28:14,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:28:14,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:28:14,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:28:14,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:28:14,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:28:14,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:14,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:28:14,054 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:28:14,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:28:14,055 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_24b2cb9d-83f7-4468-ab36-724114ec90d1/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 -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-13 21:28:14,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:28:14,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:28:14,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:28:14,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:28:14,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:28:14,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i Unable to find full path for "g++" [2024-11-13 21:28:16,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:28:16,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:28:16,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-13 21:28:16,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/f9d7c7856/314afe54bf3143d2b8c1c2c68c13a0c5/FLAG6998a3baa [2024-11-13 21:28:17,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/f9d7c7856/314afe54bf3143d2b8c1c2c68c13a0c5 [2024-11-13 21:28:17,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:28:17,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:28:17,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:17,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:28:17,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:28:17,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:17" (1/1) ... [2024-11-13 21:28:17,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6483dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:17, skipping insertion in model container [2024-11-13 21:28:17,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:17" (1/1) ... [2024-11-13 21:28:17,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:28:18,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:18,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:28:18,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:18,611 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:28:18,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18 WrapperNode [2024-11-13 21:28:18,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:18,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:18,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:28:18,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:28:18,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,657 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-13 21:28:18,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:18,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:28:18,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:28:18,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:28:18,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:28:18,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:28:18,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:28:18,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:28:18,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:18" (1/1) ... [2024-11-13 21:28:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:18,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:28:18,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:28:18,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:28:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:28:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:28:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:28:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:28:18,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:28:18,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:28:19,063 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:28:19,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:28:19,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:28:19,124 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:28:19,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:19 BoogieIcfgContainer [2024-11-13 21:28:19,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:28:19,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:28:19,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:28:19,138 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:28:19,139 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:19" (1/1) ... [2024-11-13 21:28:19,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:28:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:28:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:28:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:19,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:19,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:19,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:19,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:19,554 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:28:19,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:28:19 ImpRootNode [2024-11-13 21:28:19,584 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:28:19,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:28:19,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:28:19,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:28:19,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:19" (3/4) ... [2024-11-13 21:28:19,590 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:28:19,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:28:19,596 INFO L158 Benchmark]: Toolchain (without parser) took 2274.14ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 71.5MB in the end (delta: 44.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,596 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:19,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.29ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.1MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.93ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,598 INFO L158 Benchmark]: Boogie Preprocessor took 32.37ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:19,598 INFO L158 Benchmark]: RCFGBuilder took 433.87ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 89.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,598 INFO L158 Benchmark]: CodeCheck took 458.90ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 72.1MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,599 INFO L158 Benchmark]: Witness Printer took 7.26ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 71.5MB in the end (delta: 602.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:28:19,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.29ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.1MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.93ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.37ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.87ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 89.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 458.90ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 72.1MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.26ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 71.5MB in the end (delta: 602.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:28:19,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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_24b2cb9d-83f7-4468-ab36-724114ec90d1/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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:28:22,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:28:22,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:28:22,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:28:22,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:28:22,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:28:22,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:28:22,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:28:22,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:28:22,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:28:22,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:28:22,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:28:22,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:28:22,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:28:22,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:28:22,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:28:22,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:22,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:22,458 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:28:22,459 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_24b2cb9d-83f7-4468-ab36-724114ec90d1/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 -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-13 21:28:22,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:28:22,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:28:22,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:28:22,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:28:22,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:28:22,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i Unable to find full path for "g++" [2024-11-13 21:28:24,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:28:25,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:28:25,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-13 21:28:25,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/b64ba7c08/8da81fe663354625a7a25bb8fae9d01b/FLAG3cf86cec1 [2024-11-13 21:28:25,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/data/b64ba7c08/8da81fe663354625a7a25bb8fae9d01b [2024-11-13 21:28:25,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:28:25,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:28:25,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:25,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:28:25,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:28:25,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:25" (1/1) ... [2024-11-13 21:28:25,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dc2409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:25, skipping insertion in model container [2024-11-13 21:28:25,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:25" (1/1) ... [2024-11-13 21:28:25,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:28:26,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:26,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:28:26,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:26,914 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:28:26,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26 WrapperNode [2024-11-13 21:28:26,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:26,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:26,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:28:26,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:28:26,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:26,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,001 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-13 21:28:27,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:27,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:28:27,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:28:27,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:28:27,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:28:27,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:28:27,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:28:27,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:28:27,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:26" (1/1) ... [2024-11-13 21:28:27,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:27,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:28:27,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:28:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:28:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:28:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:28:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:28:27,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:28:27,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:28:27,531 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:28:27,532 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:28:27,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:28:27,602 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:28:27,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:27 BoogieIcfgContainer [2024-11-13 21:28:27,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:28:27,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:28:27,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:28:27,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:28:27,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:27" (1/1) ... [2024-11-13 21:28:27,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:28:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:28:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:28:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:27,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:27,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:27,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:27,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:27,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:28:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:27,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:28,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:28:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:28:28,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:28:28,342 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:28:28,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:28:28 ImpRootNode [2024-11-13 21:28:28,370 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:28:28,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:28:28,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:28:28,372 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:28:28,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:27" (3/4) ... [2024-11-13 21:28:28,376 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:28:28,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:28:28,378 INFO L158 Benchmark]: Toolchain (without parser) took 2888.23ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 81.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 21:28:28,379 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:28,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.16ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 68.7MB in the end (delta: 20.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 21:28:28,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.82ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:28,380 INFO L158 Benchmark]: Boogie Preprocessor took 57.12ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:28,380 INFO L158 Benchmark]: RCFGBuilder took 542.24ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 48.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:28:28,381 INFO L158 Benchmark]: CodeCheck took 767.49ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 81.5MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:28,381 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:28:28,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.16ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 68.7MB in the end (delta: 20.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.82ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.12ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.24ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 48.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 767.49ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 81.5MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 35.5kB). 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 21:28:28,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24b2cb9d-83f7-4468-ab36-724114ec90d1/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