./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk --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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:55,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:55,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:46:55,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:46:55,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:46:55,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:55,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:55,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:55,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:55,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:55,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:55,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:55,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:46:55,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:55,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:55,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:55,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:55,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:55,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:55,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:55,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:55,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:55,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:55,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:55,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:55,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:55,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:55,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:55,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:55,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:46:55,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:46:55,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2024-11-08 22:46:55,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:55,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:55,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:55,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:55,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:55,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i Unable to find full path for "g++" [2024-11-08 22:46:57,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:58,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:58,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-08 22:46:58,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/3c5d4bd51/0cb4afb93c234353a05a754124dd7350/FLAGdad80d19f [2024-11-08 22:46:58,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/3c5d4bd51/0cb4afb93c234353a05a754124dd7350 [2024-11-08 22:46:58,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:58,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:58,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:58,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:58,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:58,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:58" (1/1) ... [2024-11-08 22:46:58,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1640d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:58, skipping insertion in model container [2024-11-08 22:46:58,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:58" (1/1) ... [2024-11-08 22:46:58,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:59,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:59,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:59,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:59,611 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:59,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59 WrapperNode [2024-11-08 22:46:59,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:59,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:59,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:59,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:59,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,670 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-08 22:46:59,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:59,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:59,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:59,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:59,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:59,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:59,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:59,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:59,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:59" (1/1) ... [2024-11-08 22:46:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:59,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:59,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:46:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:46:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:46:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:47:00,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:00,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:00,167 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:00,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:00,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:00,228 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:47:00,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:00 BoogieIcfgContainer [2024-11-08 22:47:00,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:00,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:00,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:00,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:00,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:00" (1/1) ... [2024-11-08 22:47:00,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:00,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:47:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:47:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:47:00,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:00,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:00,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:00,565 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:47:00,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:47:00 ImpRootNode [2024-11-08 22:47:00,590 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:47:00,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:47:00,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:47:00,592 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:47:00,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:00" (3/4) ... [2024-11-08 22:47:00,595 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:47:00,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:47:00,597 INFO L158 Benchmark]: Toolchain (without parser) took 2526.63ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 84.3MB in the end (delta: 9.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,598 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:00,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.45ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 120.8MB in the end (delta: -26.7MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.16ms. Allocated memory is still 178.3MB. Free memory was 120.8MB in the beginning and 117.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,600 INFO L158 Benchmark]: Boogie Preprocessor took 41.86ms. Allocated memory is still 178.3MB. Free memory was 117.8MB in the beginning and 116.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,601 INFO L158 Benchmark]: RCFGBuilder took 514.75ms. Allocated memory is still 178.3MB. Free memory was 116.6MB in the beginning and 102.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,602 INFO L158 Benchmark]: CodeCheck took 360.85ms. Allocated memory is still 178.3MB. Free memory was 102.0MB in the beginning and 84.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:47:00,602 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 178.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:00,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.45ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 120.8MB in the end (delta: -26.7MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.16ms. Allocated memory is still 178.3MB. Free memory was 120.8MB in the beginning and 117.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.86ms. Allocated memory is still 178.3MB. Free memory was 117.8MB in the beginning and 116.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.75ms. Allocated memory is still 178.3MB. Free memory was 116.6MB in the beginning and 102.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 360.85ms. Allocated memory is still 178.3MB. Free memory was 102.0MB in the beginning and 84.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 178.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:47:00,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk --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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:47:03,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:47:03,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:47:03,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:47:03,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:47:03,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:47:03,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:47:03,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:47:03,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:47:03,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:47:03,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:47:03,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:47:03,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:47:03,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:47:03,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:47:03,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:47:03,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:47:03,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:47:03,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:47:03,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:47:03,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:47:03,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:47:03,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:47:03,197 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:47:03,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:47:03,202 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:03,202 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:47:03,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:47:03,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:03,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:47:03,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:47:03,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:47:03,204 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:47:03,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:03,205 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:47:03,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2024-11-08 22:47:03,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:47:03,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:47:03,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:47:03,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:47:03,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:47:03,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i Unable to find full path for "g++" [2024-11-08 22:47:05,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:47:06,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:47:06,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-08 22:47:06,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/d6abf922e/b31c8e5185534e1fb87d798f6c6b3beb/FLAG7979e514a [2024-11-08 22:47:06,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/data/d6abf922e/b31c8e5185534e1fb87d798f6c6b3beb [2024-11-08 22:47:06,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:47:06,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:47:06,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:06,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:47:06,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:47:06,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:06" (1/1) ... [2024-11-08 22:47:06,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d1e34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:06, skipping insertion in model container [2024-11-08 22:47:06,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:06" (1/1) ... [2024-11-08 22:47:06,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:47:07,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:07,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:47:07,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:07,601 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:47:07,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07 WrapperNode [2024-11-08 22:47:07,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:07,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:07,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:47:07,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:47:07,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,683 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-08 22:47:07,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:07,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:47:07,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:47:07,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:47:07,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:47:07,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:47:07,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:47:07,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:47:07,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:07" (1/1) ... [2024-11-08 22:47:07,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:47:07,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:47:07,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:47:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:47:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:47:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:47:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:47:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:47:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:47:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:47:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:47:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:47:08,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:08,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:08,138 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:08,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:08,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:08,184 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:47:08,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:08 BoogieIcfgContainer [2024-11-08 22:47:08,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:08,186 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:08,186 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:08,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:08,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:08" (1/1) ... [2024-11-08 22:47:08,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:47:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:47:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:47:08,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:08,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:08,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:08,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:47:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:08,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:08,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:08,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:47:08,727 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:47:08,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:47:08 ImpRootNode [2024-11-08 22:47:08,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:47:08,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:47:08,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:47:08,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:47:08,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:08" (3/4) ... [2024-11-08 22:47:08,767 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:47:08,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:47:08,769 INFO L158 Benchmark]: Toolchain (without parser) took 2558.52ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 62.3MB in the end (delta: -3.2MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,770 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.4MB in the end (delta: 159.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.76ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 65.5MB in the end (delta: -6.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.58ms. Allocated memory is still 115.3MB. Free memory was 65.5MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,773 INFO L158 Benchmark]: Boogie Preprocessor took 53.46ms. Allocated memory is still 115.3MB. Free memory was 62.7MB in the beginning and 60.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,773 INFO L158 Benchmark]: RCFGBuilder took 446.02ms. Allocated memory is still 115.3MB. Free memory was 60.8MB in the beginning and 78.4MB in the end (delta: -17.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,775 INFO L158 Benchmark]: CodeCheck took 575.84ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 62.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:08,775 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 115.3MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:08,781 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.4MB in the end (delta: 159.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.76ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 65.5MB in the end (delta: -6.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.58ms. Allocated memory is still 115.3MB. Free memory was 65.5MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.46ms. Allocated memory is still 115.3MB. Free memory was 62.7MB in the beginning and 60.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.02ms. Allocated memory is still 115.3MB. Free memory was 60.8MB in the beginning and 78.4MB in the end (delta: -17.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 575.84ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 62.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 115.3MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:47:08,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9234538-106c-489e-a6bd-643ae57cb936/bin/ukojak-verify-ImItNfHLgk/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