./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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 1280eedf37cdcd0a55d50ddad68050c61c16bd95d7a2c9d9060d4388e6bafc10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:53:53,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:53:53,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:53:53,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:53:53,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:53:53,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:53:53,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:53:53,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:53:53,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:53:53,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:53:53,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:53:53,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:53:53,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:53:53,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:53:53,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:53:53,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:53:53,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:53:53,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:53,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:53:53,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:53:53,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:53:53,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:53:53,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:53:53,273 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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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 -> 1280eedf37cdcd0a55d50ddad68050c61c16bd95d7a2c9d9060d4388e6bafc10 [2024-11-13 22:53:53,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:53:53,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:53:53,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:53:53,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:53:53,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:53:53,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i Unable to find full path for "g++" [2024-11-13 22:53:55,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:53:55,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:53:55,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i [2024-11-13 22:53:55,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/849285e1c/619f9afed5e4468187776d1e1428bf12/FLAG1c7cb904c [2024-11-13 22:53:55,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/849285e1c/619f9afed5e4468187776d1e1428bf12 [2024-11-13 22:53:55,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:53:55,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:53:55,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:55,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:53:55,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:53:55,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:55" (1/1) ... [2024-11-13 22:53:55,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bdf5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:55, skipping insertion in model container [2024-11-13 22:53:55,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:55" (1/1) ... [2024-11-13 22:53:56,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:53:56,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:56,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:53:57,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:57,217 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:53:57,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57 WrapperNode [2024-11-13 22:53:57,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:57,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:57,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:53:57,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:53:57,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,289 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 22:53:57,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:57,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:53:57,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:53:57,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:53:57,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:53:57,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:53:57,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:53:57,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:53:57,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:57,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:53:57,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:53:57,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:53:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:53:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:53:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:53:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:53:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:53:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:53:57,514 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:53:57,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:53:57,629 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:53:57,630 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:53:57,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:53:57,675 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:53:57,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:57 BoogieIcfgContainer [2024-11-13 22:53:57,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:53:57,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:53:57,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:53:57,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:53:57,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:57" (1/1) ... [2024-11-13 22:53:57,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:53:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:53:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:53:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:53:57,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:57,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:53:57,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:53:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:53:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:53:58,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:53:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:53:58,122 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:53:58,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:53:58 ImpRootNode [2024-11-13 22:53:58,159 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:53:58,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:53:58,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:53:58,162 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:53:58,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:57" (3/4) ... [2024-11-13 22:53:58,165 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:53:58,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:53:58,168 INFO L158 Benchmark]: Toolchain (without parser) took 2186.71ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 85.8MB in the end (delta: 29.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 22:53:58,168 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:53:58,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1235.86ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.1MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:53:58,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.34ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:53:58,169 INFO L158 Benchmark]: Boogie Preprocessor took 25.73ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:53:58,172 INFO L158 Benchmark]: RCFGBuilder took 358.31ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 105.2MB in the end (delta: -53.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 22:53:58,173 INFO L158 Benchmark]: CodeCheck took 482.28ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.8MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:53:58,173 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:53:58,175 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 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 CWE191_Integer_Underflow__int_fgets_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_sub_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 CWE191_Integer_Underflow__int_fgets_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_sub_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 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1235.86ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.1MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.34ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.73ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.31ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 105.2MB in the end (delta: -53.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 482.28ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.8MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. 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 22:53:58,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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 1280eedf37cdcd0a55d50ddad68050c61c16bd95d7a2c9d9060d4388e6bafc10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:00,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:00,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:54:00,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:00,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:00,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:00,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:00,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:00,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:00,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:00,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:00,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:00,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:00,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:00,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:00,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:00,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:00,969 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:00,969 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:54:00,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:00,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:00,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:00,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:00,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:00,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:54:00,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:00,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:54:00,970 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_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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 -> 1280eedf37cdcd0a55d50ddad68050c61c16bd95d7a2c9d9060d4388e6bafc10 [2024-11-13 22:54:01,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:01,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:01,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:01,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:01,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:01,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i Unable to find full path for "g++" [2024-11-13 22:54:03,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:03,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:03,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_61_bad.i [2024-11-13 22:54:03,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/a76b6c887/14374fb3d2b84e00a40c3e1f0abeb1e7/FLAG814b12c2b [2024-11-13 22:54:03,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/data/a76b6c887/14374fb3d2b84e00a40c3e1f0abeb1e7 [2024-11-13 22:54:03,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:03,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:03,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:03,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:03,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:03,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:03" (1/1) ... [2024-11-13 22:54:03,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7370cf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:03, skipping insertion in model container [2024-11-13 22:54:03,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:03" (1/1) ... [2024-11-13 22:54:03,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:04,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:04,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:04,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:04,951 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:04,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04 WrapperNode [2024-11-13 22:54:04,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:04,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:04,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:04,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:04,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:04,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,026 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-13 22:54:05,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:05,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:05,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:05,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:05,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:05,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:05,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:05,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:05,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:04" (1/1) ... [2024-11-13 22:54:05,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:05,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:05,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:05,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:54:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:54:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:54:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:05,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:05,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:05,395 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:05,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:05,443 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:05,443 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:54:05,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:05 BoogieIcfgContainer [2024-11-13 22:54:05,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:05,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:05,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:05,455 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:05,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:05" (1/1) ... [2024-11-13 22:54:05,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:54:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:54:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:54:05,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:05,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:05,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:05,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:54:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:05,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:05,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:06,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:54:06,031 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:54:06,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:06 ImpRootNode [2024-11-13 22:54:06,068 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:06,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:06,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:06,070 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:06,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:05" (3/4) ... [2024-11-13 22:54:06,074 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:06,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:06,076 INFO L158 Benchmark]: Toolchain (without parser) took 2430.59ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 76.5MB in the end (delta: 14.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:06,077 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:06,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1304.09ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 79.8MB in the end (delta: 11.3MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 22:54:06,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.11ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:06,080 INFO L158 Benchmark]: Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:06,080 INFO L158 Benchmark]: RCFGBuilder took 378.88ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 58.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:06,080 INFO L158 Benchmark]: CodeCheck took 623.85ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 77.1MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:06,081 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 76.5MB in the end (delta: 605.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:06,087 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 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 CWE191_Integer_Underflow__int_fgets_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_sub_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 CWE191_Integer_Underflow__int_fgets_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_sub_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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1304.09ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 79.8MB in the end (delta: 11.3MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.11ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.88ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 58.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 623.85ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 77.1MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 76.5MB in the end (delta: 605.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:54:06,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f40d5e-8afb-48d8-b91c-de31d9c0a8e5/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample