./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_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_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/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_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/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_8677b07a-51d2-4539-8bf8-20c40fddef53/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 fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:18:25,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:18:25,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:18:25,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:18:25,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:18:25,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:18:25,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:18:25,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:18:25,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:18:25,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:18:25,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:18:25,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:18:25,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:18:25,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:18:25,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:18:25,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:18:25,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:18:25,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:18:25,719 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:18:25,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:18:25,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:18:25,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:18:25,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:18:25,720 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:18:25,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:18:25,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:18:25,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:25,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:18:25,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:18:25,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:18:25,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:18:25,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:18:25,721 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_8677b07a-51d2-4539-8bf8-20c40fddef53/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 -> fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 [2024-11-13 21:18:26,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:18:26,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:18:26,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:18:26,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:18:26,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:18:26,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i Unable to find full path for "g++" [2024-11-13 21:18:28,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:18:28,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:18:28,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2024-11-13 21:18:28,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/f36ec31b3/5791a85993684e1a929779a7475c8bdc/FLAG11df8a6c8 [2024-11-13 21:18:28,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/f36ec31b3/5791a85993684e1a929779a7475c8bdc [2024-11-13 21:18:28,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:18:28,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:18:28,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:28,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:18:28,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:18:28,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:28" (1/1) ... [2024-11-13 21:18:28,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7381bdb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:28, skipping insertion in model container [2024-11-13 21:18:28,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:28" (1/1) ... [2024-11-13 21:18:28,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:18:30,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:30,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:18:30,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:30,362 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:18:30,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30 WrapperNode [2024-11-13 21:18:30,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:30,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:30,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:18:30,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:18:30,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,419 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 21:18:30,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:30,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:18:30,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:18:30,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:18:30,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:18:30,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:18:30,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:18:30,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:18:30,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:30" (1/1) ... [2024-11-13 21:18:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:30,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:18:30,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:18:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:18:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:18:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:18:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:18:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:18:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:18:30,755 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:18:30,758 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:18:30,938 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:18:30,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:18:31,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:18:31,012 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:18:31,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:31 BoogieIcfgContainer [2024-11-13 21:18:31,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:18:31,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:18:31,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:18:31,026 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:18:31,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:31" (1/1) ... [2024-11-13 21:18:31,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:18:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:18:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:18:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:18:31,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:31,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:31,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:31,364 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:18:31,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:31 ImpRootNode [2024-11-13 21:18:31,391 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:31,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:31,392 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:31,392 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:31,393 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:31" (3/4) ... [2024-11-13 21:18:31,396 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:18:31,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:31,398 INFO L158 Benchmark]: Toolchain (without parser) took 2596.35ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 49.6MB in the end (delta: 38.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-13 21:18:31,398 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:31,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1559.95ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 81.1MB in the end (delta: 7.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:31,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.98ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:31,400 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.6MB in the end (delta: 853.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:31,400 INFO L158 Benchmark]: RCFGBuilder took 558.71ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:31,401 INFO L158 Benchmark]: CodeCheck took 377.70ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 50.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:31,401 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 49.6MB in the end (delta: 589.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:31,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1559.95ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 81.1MB in the end (delta: 7.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.98ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.6MB in the end (delta: 853.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.71ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 377.70ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 50.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 49.6MB in the end (delta: 589.3kB). 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 21:18:31,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/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_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/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_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/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_8677b07a-51d2-4539-8bf8-20c40fddef53/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 fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:18:34,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:18:34,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:18:34,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:18:34,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:18:34,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:18:34,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:18:34,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:18:34,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:18:34,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:18:34,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:18:34,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:18:34,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:18:34,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:18:34,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:18:34,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:18:34,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:18:34,259 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:18:34,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:18:34,261 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:34,265 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:18:34,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:18:34,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:34,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:18:34,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:18:34,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:18:34,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:18:34,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:34,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:18:34,266 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_8677b07a-51d2-4539-8bf8-20c40fddef53/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 -> fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 [2024-11-13 21:18:34,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:18:34,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:18:34,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:18:34,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:18:34,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:18:34,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i Unable to find full path for "g++" [2024-11-13 21:18:36,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:18:37,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:18:37,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2024-11-13 21:18:37,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/a9a0d2db6/2f9b0653a4c14ccc92f239cdf23483e4/FLAGec685ef9b [2024-11-13 21:18:37,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/data/a9a0d2db6/2f9b0653a4c14ccc92f239cdf23483e4 [2024-11-13 21:18:37,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:18:37,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:18:37,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:37,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:18:37,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:18:37,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:37" (1/1) ... [2024-11-13 21:18:37,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd8d7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:37, skipping insertion in model container [2024-11-13 21:18:37,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:37" (1/1) ... [2024-11-13 21:18:37,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:18:38,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:38,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:18:38,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:39,189 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:18:39,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39 WrapperNode [2024-11-13 21:18:39,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:39,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:39,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:18:39,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:18:39,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,288 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 21:18:39,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:39,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:18:39,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:18:39,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:18:39,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:18:39,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:18:39,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:18:39,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:18:39,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:18:39,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:18:39,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:18:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:18:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:18:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:18:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:18:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:18:39,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:18:39,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:18:39,812 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:18:39,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:18:39,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:18:39,924 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:18:39,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:39 BoogieIcfgContainer [2024-11-13 21:18:39,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:18:39,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:18:39,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:18:39,939 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:18:39,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:39" (1/1) ... [2024-11-13 21:18:39,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:18:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:18:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:18:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:18:40,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:40,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:40,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:40,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:18:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:40,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:40,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:40,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:40,501 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:18:40,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:40 ImpRootNode [2024-11-13 21:18:40,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:40,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:40,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:40,546 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:40,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:39" (3/4) ... [2024-11-13 21:18:40,552 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:18:40,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:40,557 INFO L158 Benchmark]: Toolchain (without parser) took 3135.76ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 82.5MB in the end (delta: 6.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 21:18:40,558 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:40,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1768.84ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.0MB in the end (delta: 21.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 21:18:40,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.60ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:40,559 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:40,560 INFO L158 Benchmark]: RCFGBuilder took 587.86ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 47.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:40,564 INFO L158 Benchmark]: CodeCheck took 617.55ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 82.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:40,565 INFO L158 Benchmark]: Witness Printer took 8.84ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:40,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1768.84ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.0MB in the end (delta: 21.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.60ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 587.86ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 47.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 617.55ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 82.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.84ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 35.5kB). 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 21:18:40,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8677b07a-51d2-4539-8bf8-20c40fddef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample