./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_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_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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_7d9d6215-a1d5-4335-ae17-22da4a801a30/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 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:23,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:23,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:23,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:23,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:24,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:24,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:24,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:24,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:24,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:24,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:24,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:24,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:24,023 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_7d9d6215-a1d5-4335-ae17-22da4a801a30/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 -> 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 [2024-11-13 20:17:24,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:24,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:24,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:24,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:24,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:24,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i Unable to find full path for "g++" [2024-11-13 20:17:26,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:26,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:26,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2024-11-13 20:17:26,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/2d3467857/d41bd16b980e48f58b1ef24044dc6a4b/FLAGa1c84cc3d [2024-11-13 20:17:26,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/2d3467857/d41bd16b980e48f58b1ef24044dc6a4b [2024-11-13 20:17:26,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:26,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:26,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:26,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:26,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:26,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c98d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26, skipping insertion in model container [2024-11-13 20:17:26,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:27,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:28,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:28,218 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:28,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28 WrapperNode [2024-11-13 20:17:28,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:28,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:28,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:28,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:28,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,289 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 20:17:28,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:28,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:28,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:28,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:28,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:28,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:28,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:28,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:28,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:28,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:28,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:28,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:28,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:28,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:28,772 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:28,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:28,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:28,808 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:28,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28 BoogieIcfgContainer [2024-11-13 20:17:28,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:28,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:28,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:28,820 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:28,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:28,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:28,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,136 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:29,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:29 ImpRootNode [2024-11-13 20:17:29,164 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:29,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:29,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:29,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:29,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (3/4) ... [2024-11-13 20:17:29,174 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:29,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:29,178 INFO L158 Benchmark]: Toolchain (without parser) took 2345.82ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 49.4MB in the end (delta: 39.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,178 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.62ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.99ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,179 INFO L158 Benchmark]: Boogie Preprocessor took 41.25ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 578.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,180 INFO L158 Benchmark]: RCFGBuilder took 476.09ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 63.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,180 INFO L158 Benchmark]: CodeCheck took 358.70ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,181 INFO L158 Benchmark]: Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,184 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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 0.71ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.62ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.99ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.25ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 578.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.09ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 63.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 358.70ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:29,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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_7d9d6215-a1d5-4335-ae17-22da4a801a30/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 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:32,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:32,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:32,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:32,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:32,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:32,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:32,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:32,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:32,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:32,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:32,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:32,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:32,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:32,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:32,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:32,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:32,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:32,399 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,399 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:32,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:32,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,400 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:32,401 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_7d9d6215-a1d5-4335-ae17-22da4a801a30/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 -> 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 [2024-11-13 20:17:32,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:32,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:32,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:32,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:32,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:32,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i Unable to find full path for "g++" [2024-11-13 20:17:34,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:35,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:35,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2024-11-13 20:17:35,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/28bacde13/40fed218705d49e6aead2bd6f3d38136/FLAGd1b628c39 [2024-11-13 20:17:35,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/data/28bacde13/40fed218705d49e6aead2bd6f3d38136 [2024-11-13 20:17:35,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:35,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:35,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:35,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:35,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:35,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b33caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:35, skipping insertion in model container [2024-11-13 20:17:35,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:36,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:36,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:36,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:37,100 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:37,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37 WrapperNode [2024-11-13 20:17:37,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:37,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:37,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:37,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,191 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 20:17:37,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:37,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:37,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:37,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:37,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:37,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:37,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:37,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:37,588 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:37,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:37,748 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:37,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:37,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:37,852 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:37,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37 BoogieIcfgContainer [2024-11-13 20:17:37,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:37,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:37,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:37,867 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:37,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:37,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:37,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:37,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:38,360 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:38,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:38 ImpRootNode [2024-11-13 20:17:38,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:38,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:38,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:38,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:38,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (3/4) ... [2024-11-13 20:17:38,425 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:38,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:38,428 INFO L158 Benchmark]: Toolchain (without parser) took 3152.03ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 42.6MB in the end (delta: 14.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,428 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1824.71ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.90ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,432 INFO L158 Benchmark]: Boogie Preprocessor took 47.92ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,432 INFO L158 Benchmark]: RCFGBuilder took 612.72ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 31.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,435 INFO L158 Benchmark]: CodeCheck took 562.07ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,435 INFO L158 Benchmark]: Witness Printer took 8.25ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,441 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1824.71ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.90ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.92ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.72ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 31.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 562.07ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.25ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:38,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d6215-a1d5-4335-ae17-22da4a801a30/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