./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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 12242753781fd51b7b32f7a94bafe3bae0154da7138dc26647ce01e147fda6f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:46,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:46,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:02:46,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:02:46,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:02:46,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:46,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:02:46,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:02:46,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:46,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:46,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:46,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:46,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:46,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:02:46,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:02:46,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:46,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:46,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:46,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:46,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:46,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:46,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:46,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:46,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:46,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:02:46,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:02:46,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:02:46,997 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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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 -> 12242753781fd51b7b32f7a94bafe3bae0154da7138dc26647ce01e147fda6f6 [2024-11-13 21:02:47,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:47,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:47,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:47,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:47,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:47,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 21:02:49,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:50,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:50,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i [2024-11-13 21:02:50,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/852a8ece6/5c60de71e86d46c99e51f2afbf1b55c2/FLAGd4ea5d040 [2024-11-13 21:02:50,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/852a8ece6/5c60de71e86d46c99e51f2afbf1b55c2 [2024-11-13 21:02:50,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:50,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:50,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:50,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:50,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:50,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bf8671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50, skipping insertion in model container [2024-11-13 21:02:50,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:52,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:52,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:52,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:52,621 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:52,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52 WrapperNode [2024-11-13 21:02:52,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:52,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:52,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:52,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:52,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,683 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2024-11-13 21:02:52,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:52,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:52,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:52,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:52,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:52,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:52,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:52,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:52,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:52,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:02:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:02:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:53,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:53,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:02:53,188 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:02:53,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:02:53,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:02:53,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:02:53,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:53 BoogieIcfgContainer [2024-11-13 21:02:53,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:02:53,240 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:02:53,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:02:53,254 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:02:53,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:53,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:02:53,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:02:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:02:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:02:53,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:53,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:53,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:53,611 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:02:53,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:02:53 ImpRootNode [2024-11-13 21:02:53,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:02:53,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:02:53,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:02:53,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:02:53,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:53" (3/4) ... [2024-11-13 21:02:53,658 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:02:53,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:02:53,662 INFO L158 Benchmark]: Toolchain (without parser) took 2933.29ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 50.7MB in the end (delta: 39.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 21:02:53,665 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:53,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1893.79ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 82.3MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:02:53,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:53,666 INFO L158 Benchmark]: Boogie Preprocessor took 28.05ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:53,667 INFO L158 Benchmark]: RCFGBuilder took 525.98ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:53,667 INFO L158 Benchmark]: CodeCheck took 411.69ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 51.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:02:53,668 INFO L158 Benchmark]: Witness Printer took 8.11ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 588.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:53,673 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1582]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_sub_54e_badSink(data) [L1582] 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 0.40ms. Allocated memory is still 167.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1893.79ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 82.3MB in the end (delta: 7.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.05ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 525.98ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 411.69ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 51.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.11ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 588.5kB). 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 21:02:53,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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 12242753781fd51b7b32f7a94bafe3bae0154da7138dc26647ce01e147fda6f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:56,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:57,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:02:57,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:57,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:02:57,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:02:57,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:57,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:57,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:02:57,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:57,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:57,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:57,076 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:57,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:57,078 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:57,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:02:57,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:57,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:57,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:57,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:57,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:02:57,079 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:02:57,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:57,079 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:02:57,080 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_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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 -> 12242753781fd51b7b32f7a94bafe3bae0154da7138dc26647ce01e147fda6f6 [2024-11-13 21:02:57,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:57,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:57,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:57,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:57,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:57,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 21:02:59,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:00,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:00,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_54_bad.i [2024-11-13 21:03:00,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/65b06e8a1/c27e3f23513844c99b59e2bb9d6cb089/FLAG99b9fa3fe [2024-11-13 21:03:00,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/data/65b06e8a1/c27e3f23513844c99b59e2bb9d6cb089 [2024-11-13 21:03:00,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:00,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:00,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:00,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:00,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:00,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:00" (1/1) ... [2024-11-13 21:03:00,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482ce4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:00, skipping insertion in model container [2024-11-13 21:03:00,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:00" (1/1) ... [2024-11-13 21:03:00,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:01,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:01,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:01,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:02,106 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:02,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02 WrapperNode [2024-11-13 21:03:02,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:02,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:02,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:02,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:02,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,173 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-11-13 21:03:02,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:02,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:02,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:02,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:02,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:02,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:02,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:02,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:02,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:02,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:02,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:02,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:03:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:03:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:02,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:02,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:02,663 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:02,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:02,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:02,773 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:03:02,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:02 BoogieIcfgContainer [2024-11-13 21:03:02,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:02,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:02,775 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:02,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:02,789 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:02" (1/1) ... [2024-11-13 21:03:02,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:03:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:03:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:03:02,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:02,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:02,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:02,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:03:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:03,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:03:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:03,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:03:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:03,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:03:03,377 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:03:03,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:03:03 ImpRootNode [2024-11-13 21:03:03,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:03:03,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:03:03,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:03:03,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:03:03,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:02" (3/4) ... [2024-11-13 21:03:03,434 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:03:03,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:03:03,442 INFO L158 Benchmark]: Toolchain (without parser) took 3004.69ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.9MB in the beginning and 242.3MB in the end (delta: -153.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 21:03:03,442 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:03,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1670.05ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 21:03:03,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.51ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:03,444 INFO L158 Benchmark]: Boogie Preprocessor took 33.99ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:03,444 INFO L158 Benchmark]: RCFGBuilder took 564.14ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 46.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:03:03,445 INFO L158 Benchmark]: CodeCheck took 652.93ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.4MB in the beginning and 242.3MB in the end (delta: -195.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:03,445 INFO L158 Benchmark]: Witness Printer took 8.99ms. Allocated memory is still 276.8MB. Free memory was 242.3MB in the beginning and 242.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:03,452 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1582]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_sub_54e_badSink(data) [L1582] 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1670.05ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.51ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.99ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.14ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 46.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 652.93ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.4MB in the beginning and 242.3MB in the end (delta: -195.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.99ms. Allocated memory is still 276.8MB. Free memory was 242.3MB in the beginning and 242.3MB in the end (delta: 42.6kB). 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 21:03:03,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac49b44-1a0d-41f7-ad76-ac1764f0b80d/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