./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_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_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/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_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/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_76e664ab-bed6-4176-a785-8ce9e3161714/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 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:42,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:42,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:31:42,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:42,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:42,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:42,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:42,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:42,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:42,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:42,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:42,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:42,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:42,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:42,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:42,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:42,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:42,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:42,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:42,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:42,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:42,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:42,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:42,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:42,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:42,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:42,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:42,206 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_76e664ab-bed6-4176-a785-8ce9e3161714/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 -> 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf [2024-11-13 20:31:42,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:42,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:42,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:42,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:42,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:42,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i Unable to find full path for "g++" [2024-11-13 20:31:44,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:45,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:45,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2024-11-13 20:31:45,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/827450335/32a39fdfb76044f3b51682629d58e0e5/FLAG8fb2abc2f [2024-11-13 20:31:45,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/827450335/32a39fdfb76044f3b51682629d58e0e5 [2024-11-13 20:31:45,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:45,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:45,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:45,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:45,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:45,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:45" (1/1) ... [2024-11-13 20:31:45,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f61fe37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:45, skipping insertion in model container [2024-11-13 20:31:45,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:45" (1/1) ... [2024-11-13 20:31:45,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:46,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:46,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:46,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:46,774 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:46,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46 WrapperNode [2024-11-13 20:31:46,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:46,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:46,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:46,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:46,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,840 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 20:31:46,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:46,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:46,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:46,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:46,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:46,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:46,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:46,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:46,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:46" (1/1) ... [2024-11-13 20:31:46,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:46,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:46,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:31:47,197 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:47,200 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:47,402 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:47,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:47,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:47,486 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:47,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:47 BoogieIcfgContainer [2024-11-13 20:31:47,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:47,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:47,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:47,500 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:47,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:47" (1/1) ... [2024-11-13 20:31:47,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:31:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:31:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:31:47,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:47,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:31:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:31:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:31:48,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:48,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:48,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:48,294 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:31:48,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:48 ImpRootNode [2024-11-13 20:31:48,339 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:48,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:48,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:48,341 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:48,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:47" (3/4) ... [2024-11-13 20:31:48,345 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:48,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:48,347 INFO L158 Benchmark]: Toolchain (without parser) took 2985.79ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 83.7MB in the end (delta: 6.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 20:31:48,348 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:48,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1412.06ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:31:48,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.45ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:48,350 INFO L158 Benchmark]: Boogie Preprocessor took 44.43ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:48,353 INFO L158 Benchmark]: RCFGBuilder took 599.75ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 64.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:48,353 INFO L158 Benchmark]: CodeCheck took 851.57ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 83.7MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:48,353 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:48,356 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1573, overapproximation of large string literal at line 1562, overapproximation of fgets 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_fgets_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1570] 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] [L1571] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1573] data = atoi(inputBuffer) [L1580] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1555] data + 1 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 0.48ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1412.06ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.45ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.43ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.75ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 64.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 851.57ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 83.7MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:31:48,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/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_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/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_76e664ab-bed6-4176-a785-8ce9e3161714/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 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:51,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:51,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:31:51,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:51,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:51,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:51,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:51,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:51,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:31:51,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:51,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:51,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:31:51,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:51,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:31:51,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:51,630 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:31:51,630 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_76e664ab-bed6-4176-a785-8ce9e3161714/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 -> 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf [2024-11-13 20:31:52,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:52,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:52,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:52,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:52,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:52,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i Unable to find full path for "g++" [2024-11-13 20:31:54,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:54,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:54,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2024-11-13 20:31:54,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/6ac306b3f/261963042a08438b99ce65d9a70c5dbf/FLAG18fe27252 [2024-11-13 20:31:54,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/data/6ac306b3f/261963042a08438b99ce65d9a70c5dbf [2024-11-13 20:31:54,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:54,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:54,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:54,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:54,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:54,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:54" (1/1) ... [2024-11-13 20:31:54,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a60637d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:54, skipping insertion in model container [2024-11-13 20:31:54,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:54" (1/1) ... [2024-11-13 20:31:54,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:56,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:56,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:56,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:56,419 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:56,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56 WrapperNode [2024-11-13 20:31:56,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:56,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:56,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:56,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:56,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,498 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-13 20:31:56,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:56,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:56,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:56,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:56,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:56,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:56,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:56,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:56,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:56" (1/1) ... [2024-11-13 20:31:56,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:56,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:56,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:31:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:56,849 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:56,851 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:57,021 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:57,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:57,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:57,070 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:57,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:57 BoogieIcfgContainer [2024-11-13 20:31:57,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:57,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:57,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:57,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:57,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:57" (1/1) ... [2024-11-13 20:31:57,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:31:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:31:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:31:57,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:57,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:57,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:57,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:57,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:31:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:57,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:57,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:31:57,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:57,513 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:31:57,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:31:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:31:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:31:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:31:57,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:57,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:57,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:31:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:57,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:57,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:57,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:31:57,929 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:31:57,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:57 ImpRootNode [2024-11-13 20:31:57,960 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:57,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:57,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:57,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:57,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:57" (3/4) ... [2024-11-13 20:31:57,964 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:57,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:57,969 INFO L158 Benchmark]: Toolchain (without parser) took 3273.61ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 65.9MB in the end (delta: 26.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-13 20:31:57,969 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:57,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1726.62ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 11.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 20:31:57,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.02ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:57,970 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:57,970 INFO L158 Benchmark]: RCFGBuilder took 538.18ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 59.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:57,971 INFO L158 Benchmark]: CodeCheck took 888.30ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 66.5MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:57,974 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:57,976 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1573, overapproximation of large string literal at line 1562, overapproximation of fgets 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_fgets_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1570] 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] [L1571] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1573] data = atoi(inputBuffer) [L1580] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1555] data + 1 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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1726.62ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 11.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.02ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.18ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 59.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 888.30ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 66.5MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 19.3kB). 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 20:31:58,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e664ab-bed6-4176-a785-8ce9e3161714/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