./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_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_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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_47cb5d83-ce7c-4420-a341-65d29629fa1c/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 c1211bce8eb0089a2d69702a08a9335e619394abed14881883a77f36d93d5781 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:32,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:32,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:35:32,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:32,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:32,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:32,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:32,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:32,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:32,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:32,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:32,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:32,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:35:32,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:32,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:32,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:32,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:32,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:32,554 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:32,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:32,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:32,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:32,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:32,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:32,555 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:32,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:32,556 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_47cb5d83-ce7c-4420-a341-65d29629fa1c/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 -> c1211bce8eb0089a2d69702a08a9335e619394abed14881883a77f36d93d5781 [2024-11-13 20:35:32,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:32,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:32,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:32,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:32,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:32,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i Unable to find full path for "g++" [2024-11-13 20:35:34,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:35,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:35,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i [2024-11-13 20:35:35,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/231a83414/845839e1fc8947b7a93348828e8ce183/FLAG2a9afc347 [2024-11-13 20:35:35,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/231a83414/845839e1fc8947b7a93348828e8ce183 [2024-11-13 20:35:35,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:35,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:35,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:35,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:35,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:35,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:35,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711d9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35, skipping insertion in model container [2024-11-13 20:35:35,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:35,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:36,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:36,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:36,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:36,419 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:36,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36 WrapperNode [2024-11-13 20:35:36,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:36,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:36,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:36,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:36,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,464 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2024-11-13 20:35:36,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:36,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:36,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:36,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:36,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:36,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:36,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:36,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:36,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:36,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:36,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:35:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:35:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:35:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:35:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:35:36,749 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:36,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:36,894 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:36,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:36,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:36,951 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:35:36,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:36 BoogieIcfgContainer [2024-11-13 20:35:36,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:36,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:36,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:36,966 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:36,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:36" (1/1) ... [2024-11-13 20:35:36,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:35:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:35:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:35:37,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:37,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:37,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:37,444 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:37,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:37 ImpRootNode [2024-11-13 20:35:37,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:37,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:37,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:37,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:37,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:36" (3/4) ... [2024-11-13 20:35:37,486 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:37,487 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:37,488 INFO L158 Benchmark]: Toolchain (without parser) took 2310.15ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 36.9MB in the end (delta: 52.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:37,488 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:37,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.56ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.1MB in the end (delta: 8.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:37,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.20ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:37,491 INFO L158 Benchmark]: Boogie Preprocessor took 46.31ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:37,492 INFO L158 Benchmark]: RCFGBuilder took 439.95ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 61.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:37,492 INFO L158 Benchmark]: CodeCheck took 528.09ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 37.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:35:37,494 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 117.4MB. Free memory was 37.5MB in the beginning and 36.9MB in the end (delta: 583.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:37,497 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1560. 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); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fgets_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_postdec_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={23506:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_postdec_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.56ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.1MB in the end (delta: 8.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.20ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.31ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.95ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 61.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 528.09ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 37.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 117.4MB. Free memory was 37.5MB in the beginning and 36.9MB in the end (delta: 583.3kB). 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 20:35:37,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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_47cb5d83-ce7c-4420-a341-65d29629fa1c/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 c1211bce8eb0089a2d69702a08a9335e619394abed14881883a77f36d93d5781 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:40,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:40,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:35:40,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:40,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:40,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:40,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:40,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:40,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:40,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:40,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:40,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:40,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:40,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:40,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:35:40,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:35:40,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:40,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:35:40,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:35:40,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:40,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:40,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:40,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:35:40,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:40,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:40,382 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:35:40,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:40,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:35:40,383 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_47cb5d83-ce7c-4420-a341-65d29629fa1c/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 -> c1211bce8eb0089a2d69702a08a9335e619394abed14881883a77f36d93d5781 [2024-11-13 20:35:40,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:40,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:40,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:40,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:40,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:40,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i Unable to find full path for "g++" [2024-11-13 20:35:42,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:43,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:43,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_67_bad.i [2024-11-13 20:35:43,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/07c674cb3/65268445ab8c404f8a013104fd5038a9/FLAG6027bedbc [2024-11-13 20:35:43,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/data/07c674cb3/65268445ab8c404f8a013104fd5038a9 [2024-11-13 20:35:43,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:43,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:43,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:43,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:43,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:43,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:43" (1/1) ... [2024-11-13 20:35:43,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6794954a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:43, skipping insertion in model container [2024-11-13 20:35:43,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:43" (1/1) ... [2024-11-13 20:35:43,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:44,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:44,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:44,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:44,583 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:44,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44 WrapperNode [2024-11-13 20:35:44,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:44,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:44,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:44,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:44,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,652 INFO L138 Inliner]: procedures = 504, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2024-11-13 20:35:44,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:44,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:44,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:44,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:44,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:44,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:44,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:44,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:44,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:44" (1/1) ... [2024-11-13 20:35:44,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:44,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:44,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:44,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:35:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:35:44,932 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:44,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:45,151 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:45,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:45,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:45,198 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:35:45,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:45 BoogieIcfgContainer [2024-11-13 20:35:45,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:45,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:45,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:45,214 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:45,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:45" (1/1) ... [2024-11-13 20:35:45,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:35:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:35:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:35:45,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:45,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:45,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:35:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:45,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:46,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:46,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:35:46,195 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:46,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:46 ImpRootNode [2024-11-13 20:35:46,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:46,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:46,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:46,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:46,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:45" (3/4) ... [2024-11-13 20:35:46,247 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:46,248 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:46,251 INFO L158 Benchmark]: Toolchain (without parser) took 3060.69ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 71.4MB in the end (delta: 17.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:46,252 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:46,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.98ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 67.6MB in the end (delta: 21.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:35:46,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.75ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:46,253 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:46,253 INFO L158 Benchmark]: RCFGBuilder took 506.81ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 44.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:46,254 INFO L158 Benchmark]: CodeCheck took 1041.78ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 71.4MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:46,254 INFO L158 Benchmark]: Witness Printer took 6.64ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 71.4MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:46,260 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1560. 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); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fgets_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_postdec_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={11:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_postdec_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] 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 0.40ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.98ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 67.6MB in the end (delta: 21.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.75ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.81ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 44.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1041.78ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 71.4MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.64ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 71.4MB 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 20:35:46,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47cb5d83-ce7c-4420-a341-65d29629fa1c/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