./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_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_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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_f3bdee63-163b-42a2-bae1-21f364b1c250/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 e2a4e9f9fc01d060749b8ad4c191b239f41faf5c0f32522d7cc15915f576da31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:14,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:14,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:27:14,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:27:14,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:27:14,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:14,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:14,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:14,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:14,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:14,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:14,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:14,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:27:14,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:14,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:27:14,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:14,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:14,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:14,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:14,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:14,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:14,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:14,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:14,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:14,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:14,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:27:14,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:27:14,510 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_f3bdee63-163b-42a2-bae1-21f364b1c250/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 -> e2a4e9f9fc01d060749b8ad4c191b239f41faf5c0f32522d7cc15915f576da31 [2024-11-13 21:27:14,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:14,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:14,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:14,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:14,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:14,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i Unable to find full path for "g++" [2024-11-13 21:27:17,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:17,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:17,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i [2024-11-13 21:27:17,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/836b53d6a/fd870c17265b462aa92e7ccf43cb1073/FLAG6cd27189e [2024-11-13 21:27:18,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/836b53d6a/fd870c17265b462aa92e7ccf43cb1073 [2024-11-13 21:27:18,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:18,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:18,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:18,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:18,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:18,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:18" (1/1) ... [2024-11-13 21:27:18,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668e4e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:18, skipping insertion in model container [2024-11-13 21:27:18,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:18" (1/1) ... [2024-11-13 21:27:18,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:19,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:19,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:19,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:19,922 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:19,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19 WrapperNode [2024-11-13 21:27:19,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:19,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:19,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:19,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:19,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:19,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,008 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 21:27:20,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:20,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:20,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:20,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:20,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:20,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:20,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:20,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:20,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:19" (1/1) ... [2024-11-13 21:27:20,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:20,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:20,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:27:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:27:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:27:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:27:20,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:20,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:20,563 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:20,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:20,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:20,624 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:27:20,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:20 BoogieIcfgContainer [2024-11-13 21:27:20,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:20,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:20,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:20,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:20,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:20" (1/1) ... [2024-11-13 21:27:20,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:27:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:27:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:27:20,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:20,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:21,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:21,246 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:27:21,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:27:21 ImpRootNode [2024-11-13 21:27:21,284 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:27:21,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:27:21,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:27:21,285 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:27:21,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:20" (3/4) ... [2024-11-13 21:27:21,290 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:27:21,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:27:21,292 INFO L158 Benchmark]: Toolchain (without parser) took 3068.38ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 43.2MB in the end (delta: 47.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 21:27:21,292 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:21,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.28ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.5MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:27:21,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.50ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:27:21,294 INFO L158 Benchmark]: Boogie Preprocessor took 43.65ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:21,295 INFO L158 Benchmark]: RCFGBuilder took 571.47ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 64.3MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:27:21,295 INFO L158 Benchmark]: CodeCheck took 658.31ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 43.2MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:27:21,296 INFO L158 Benchmark]: Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:21,299 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, 0.1s 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] 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] [L1582] CALL CWE191_Integer_Underflow__int_fgets_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_sub_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={12619:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.54ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.28ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.5MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.50ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.65ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.47ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 64.3MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 658.31ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 43.2MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:27:21,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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_f3bdee63-163b-42a2-bae1-21f364b1c250/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 e2a4e9f9fc01d060749b8ad4c191b239f41faf5c0f32522d7cc15915f576da31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:24,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:24,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:27:24,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:24,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:24,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:24,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:24,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:24,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:24,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:24,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:24,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:24,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:24,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:24,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:24,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:24,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:24,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:24,873 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:27:24,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:24,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:24,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:24,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:24,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:24,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:27:24,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:24,875 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:27:24,876 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_f3bdee63-163b-42a2-bae1-21f364b1c250/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 -> e2a4e9f9fc01d060749b8ad4c191b239f41faf5c0f32522d7cc15915f576da31 [2024-11-13 21:27:25,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:25,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:25,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:25,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:25,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:25,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i Unable to find full path for "g++" [2024-11-13 21:27:27,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:28,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:28,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_34_bad.i [2024-11-13 21:27:28,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/b6cab19c4/b99bf00ee26440948b94dda345ae1e70/FLAGa4a84776f [2024-11-13 21:27:28,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/data/b6cab19c4/b99bf00ee26440948b94dda345ae1e70 [2024-11-13 21:27:28,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:28,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:28,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:28,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:28,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:28,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d0554f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28, skipping insertion in model container [2024-11-13 21:27:28,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:29,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:29,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:29,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:30,080 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:30,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30 WrapperNode [2024-11-13 21:27:30,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:30,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:30,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:30,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:30,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,147 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-13 21:27:30,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:30,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:30,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:30,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:30,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:30,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:30,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:30,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:30,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:30,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:30,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:27:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:27:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:27:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:27:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:27:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:27:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:27:30,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:30,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:30,711 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:30,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:30,773 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:30,773 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:27:30,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:30 BoogieIcfgContainer [2024-11-13 21:27:30,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:30,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:30,775 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:30,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:30,789 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:30" (1/1) ... [2024-11-13 21:27:30,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:27:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:27:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:27:30,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:30,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:30,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:30,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:30,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:27:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:31,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:31,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:31,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:27:31,639 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:27:31,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:27:31 ImpRootNode [2024-11-13 21:27:31,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:27:31,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:27:31,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:27:31,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:27:31,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:30" (3/4) ... [2024-11-13 21:27:31,694 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:27:31,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:27:31,696 INFO L158 Benchmark]: Toolchain (without parser) took 3341.92ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 74.2MB in the end (delta: 14.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 21:27:31,696 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:31,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.39ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.5MB in the end (delta: 21.1MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:27:31,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.51ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 64.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:31,698 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:31,698 INFO L158 Benchmark]: RCFGBuilder took 574.11ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 45.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:27:31,699 INFO L158 Benchmark]: CodeCheck took 913.09ms. Allocated memory is still 117.4MB. Free memory was 45.4MB in the beginning and 74.9MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:31,703 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.2MB in the end (delta: 691.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:31,706 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: 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] 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] [L1582] CALL CWE191_Integer_Underflow__int_fgets_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_sub_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.39ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.5MB in the end (delta: 21.1MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.51ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 64.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.11ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 45.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 913.09ms. Allocated memory is still 117.4MB. Free memory was 45.4MB in the beginning and 74.9MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.2MB in the end (delta: 691.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:27:31,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bdee63-163b-42a2-bae1-21f364b1c250/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