./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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 5a808bbd0a2ef2d41ac4f649d6b9ea5b7391f62c1df1ead110274376bf6d5d7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:49,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:49,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:30:49,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:49,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:49,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:49,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:49,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:49,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:49,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:49,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:49,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:49,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:49,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:49,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:49,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:49,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:49,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:49,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:30:49,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:30:49,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:49,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:49,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:49,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:49,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:49,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:49,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:49,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:49,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:49,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:49,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:49,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:49,551 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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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 -> 5a808bbd0a2ef2d41ac4f649d6b9ea5b7391f62c1df1ead110274376bf6d5d7b [2024-11-13 21:30:49,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:49,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:49,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:49,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:49,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:49,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i Unable to find full path for "g++" [2024-11-13 21:30:51,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:52,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:52,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i [2024-11-13 21:30:52,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/f07e8aa9d/1a38bdac08d7418390031036a450815d/FLAG6eb5baea5 [2024-11-13 21:30:52,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/f07e8aa9d/1a38bdac08d7418390031036a450815d [2024-11-13 21:30:52,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:52,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:52,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:52,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:52,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:52,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:52" (1/1) ... [2024-11-13 21:30:52,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1a12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:52, skipping insertion in model container [2024-11-13 21:30:52,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:52" (1/1) ... [2024-11-13 21:30:52,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:53,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:53,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:53,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:54,136 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:54,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54 WrapperNode [2024-11-13 21:30:54,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:54,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:54,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:54,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:54,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,207 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-13 21:30:54,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:54,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:54,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:54,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:54,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:54,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:54,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:54,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:54,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:54,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:54,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:54,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:30:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:30:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:54,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:54,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:54,647 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:54,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:54,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:54,713 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:30:54,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:54 BoogieIcfgContainer [2024-11-13 21:30:54,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:54,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:54,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:54,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:54,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:30:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:30:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:30:54,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:54,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:30:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:55,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:30:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:30:55,133 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:30:55,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:30:55 ImpRootNode [2024-11-13 21:30:55,167 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:30:55,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:30:55,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:30:55,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:30:55,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:54" (3/4) ... [2024-11-13 21:30:55,175 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:30:55,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:30:55,180 INFO L158 Benchmark]: Toolchain (without parser) took 2693.61ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 50.6MB in the end (delta: 40.6MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 21:30:55,180 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:55,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1650.45ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 81.9MB in the end (delta: 9.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:30:55,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.05ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:30:55,185 INFO L158 Benchmark]: Boogie Preprocessor took 40.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:55,186 INFO L158 Benchmark]: RCFGBuilder took 464.53ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.7MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:30:55,186 INFO L158 Benchmark]: CodeCheck took 453.17ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 51.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:30:55,186 INFO L158 Benchmark]: Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:55,193 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] CALL funcPtr(data) [L1551] 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 0.59ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1650.45ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 81.9MB in the end (delta: 9.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.05ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.53ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 64.7MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 453.17ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 51.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory is still 50.6MB. 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 21:30:55,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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 5a808bbd0a2ef2d41ac4f649d6b9ea5b7391f62c1df1ead110274376bf6d5d7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:58,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:58,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:30:58,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:58,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:58,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:58,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:58,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:58,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:58,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:30:58,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:58,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:30:58,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:58,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:58,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:58,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:58,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:58,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:30:58,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:58,485 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:30:58,485 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_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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 -> 5a808bbd0a2ef2d41ac4f649d6b9ea5b7391f62c1df1ead110274376bf6d5d7b [2024-11-13 21:30:58,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:58,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:58,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:58,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:58,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i Unable to find full path for "g++" [2024-11-13 21:31:01,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:01,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:01,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_44_bad.i [2024-11-13 21:31:01,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/ad1365893/213a4cb4053741be89cf1609cca6b2d5/FLAGc69ab3d44 [2024-11-13 21:31:01,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/data/ad1365893/213a4cb4053741be89cf1609cca6b2d5 [2024-11-13 21:31:01,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:01,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:01,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:01,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:01,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:01,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6f1559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01, skipping insertion in model container [2024-11-13 21:31:01,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:02,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:02,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:03,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:03,269 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:03,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03 WrapperNode [2024-11-13 21:31:03,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:03,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:03,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:03,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:03,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,324 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2024-11-13 21:31:03,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:03,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:03,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:03,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:03,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:03,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:03,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:03,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:03,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:03,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:03,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:03,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:31:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:31:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:31:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:03,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:03,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:03,684 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:03,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:03,764 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:03,764 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:31:03,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:03 BoogieIcfgContainer [2024-11-13 21:31:03,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:03,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:03,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:03,786 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:03,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:03" (1/1) ... [2024-11-13 21:31:03,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:31:03,859 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:31:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:31:03,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:03,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:03,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:03,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:31:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:04,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:31:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:04,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:31:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:04,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:31:04,261 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:31:04,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:31:04 ImpRootNode [2024-11-13 21:31:04,292 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:31:04,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:31:04,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:31:04,293 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:31:04,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:03" (3/4) ... [2024-11-13 21:31:04,298 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:31:04,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:31:04,300 INFO L158 Benchmark]: Toolchain (without parser) took 2753.99ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 42.9MB in the end (delta: 14.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 21:31:04,300 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:04,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1722.41ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.2MB in the end (delta: 4.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 21:31:04,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.85ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 49.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:04,303 INFO L158 Benchmark]: Boogie Preprocessor took 26.84ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:04,303 INFO L158 Benchmark]: RCFGBuilder took 412.62ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 32.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:31:04,304 INFO L158 Benchmark]: CodeCheck took 522.08ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 43.3MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:04,304 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 42.9MB in the end (delta: 425.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:04,310 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: 0.5s, 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, 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: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] CALL funcPtr(data) [L1551] 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 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1722.41ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.2MB in the end (delta: 4.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.85ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 49.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.84ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.62ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 32.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 522.08ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 43.3MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 42.9MB in the end (delta: 425.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:31:04,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5044cae5-d5b8-4874-9b4d-7a3654cfca63/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