./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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 2da8defcc974d8b208136ea0c25e563860f8c9681623e071aa018b188ee6920d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:33,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:33,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:33,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:33,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:33,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:33,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:33,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:33,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:33,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:33,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:33,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:33,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:33,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:33,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:33,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:33,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:33,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:33,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:33,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:33,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:33,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:33,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:33,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:33,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:33,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:33,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:33,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:33,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:33,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:33,357 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:33,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:33,357 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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2da8defcc974d8b208136ea0c25e563860f8c9681623e071aa018b188ee6920d [2024-11-09 00:00:33,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:33,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:33,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:33,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:33,750 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:33,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i Unable to find full path for "g++" [2024-11-09 00:00:35,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:36,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:36,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i [2024-11-09 00:00:36,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/a94242d66/b97b4ef51d0b4a479ab957c46c603ca7/FLAG78c7253c1 [2024-11-09 00:00:36,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/a94242d66/b97b4ef51d0b4a479ab957c46c603ca7 [2024-11-09 00:00:36,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:36,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:36,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:36,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:36,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:36,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:36" (1/1) ... [2024-11-09 00:00:36,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36abb347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36, skipping insertion in model container [2024-11-09 00:00:36,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:36" (1/1) ... [2024-11-09 00:00:36,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:37,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:37,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:38,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:38,150 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:38,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38 WrapperNode [2024-11-09 00:00:38,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:38,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:38,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:38,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:38,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,252 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 51 [2024-11-09 00:00:38,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:38,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:38,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:38,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:38,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:38,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:38,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:38,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:38,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:38,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:38,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:38,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:38,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:38,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:38,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:38,569 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:38,713 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:38,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:38,767 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:38,768 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:38,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:38 BoogieIcfgContainer [2024-11-09 00:00:38,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:38,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:38,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:38,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:38,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:38" (1/1) ... [2024-11-09 00:00:38,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:38,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:39,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:39,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:39,269 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:39,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:39 ImpRootNode [2024-11-09 00:00:39,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:39,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:39,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:39,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:39,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:38" (3/4) ... [2024-11-09 00:00:39,315 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:39,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:39,319 INFO L158 Benchmark]: Toolchain (without parser) took 2819.02ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 100.7MB in the end (delta: 26.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,319 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 119.5MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:39,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1649.29ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 64.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.52ms. Allocated memory is still 163.6MB. Free memory was 64.2MB in the beginning and 129.8MB in the end (delta: -65.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,322 INFO L158 Benchmark]: Boogie Preprocessor took 60.20ms. Allocated memory is still 163.6MB. Free memory was 129.8MB in the beginning and 131.1MB in the end (delta: -1.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,324 INFO L158 Benchmark]: RCFGBuilder took 453.52ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 116.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,325 INFO L158 Benchmark]: CodeCheck took 538.58ms. Allocated memory is still 163.6MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,326 INFO L158 Benchmark]: Witness Printer took 8.60ms. Allocated memory is still 163.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:39,333 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53d_badSink(data) [L1577] 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 0.41ms. Allocated memory is still 119.5MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1649.29ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 64.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.52ms. Allocated memory is still 163.6MB. Free memory was 64.2MB in the beginning and 129.8MB in the end (delta: -65.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.20ms. Allocated memory is still 163.6MB. Free memory was 129.8MB in the beginning and 131.1MB in the end (delta: -1.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 453.52ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 116.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 538.58ms. Allocated memory is still 163.6MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.60ms. Allocated memory is still 163.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:39,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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 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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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 2da8defcc974d8b208136ea0c25e563860f8c9681623e071aa018b188ee6920d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:42,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:42,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:00:42,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:42,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:42,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:42,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:42,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:42,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:42,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:42,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:42,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:42,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:42,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:42,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:00:42,543 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:00:42,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:42,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:42,544 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:00:42,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:42,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:42,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:42,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:42,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:42,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:42,550 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:42,551 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:00:42,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:42,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:42,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:42,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:42,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:42,554 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:00:42,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:42,555 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:00:42,555 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_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2da8defcc974d8b208136ea0c25e563860f8c9681623e071aa018b188ee6920d [2024-11-09 00:00:43,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:43,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:43,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:43,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:43,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:43,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i Unable to find full path for "g++" [2024-11-09 00:00:45,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:46,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:46,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_53_bad.i [2024-11-09 00:00:46,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/79d115fa4/1291ac143b43473fabc39f5838b9e02e/FLAG81927998f [2024-11-09 00:00:46,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/data/79d115fa4/1291ac143b43473fabc39f5838b9e02e [2024-11-09 00:00:46,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:46,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:46,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:46,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:46,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:46,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:46" (1/1) ... [2024-11-09 00:00:46,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ea09cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:46, skipping insertion in model container [2024-11-09 00:00:46,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:46" (1/1) ... [2024-11-09 00:00:46,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:47,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:47,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:48,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:48,267 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:48,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48 WrapperNode [2024-11-09 00:00:48,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:48,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:48,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:48,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:48,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,366 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 50 [2024-11-09 00:00:48,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:48,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:48,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:48,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:48,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:48,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:48,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:48,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:48,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:48,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:48,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:48,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:48,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:48,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:48,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:48,899 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:48,899 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:48,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:48,988 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:48,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:48 BoogieIcfgContainer [2024-11-09 00:00:48,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:48,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:48,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:49,005 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:49,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:48" (1/1) ... [2024-11-09 00:00:49,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:49,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:49,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:49,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:49,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:49,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:00:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:49,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:49,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:49,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:00:49,536 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:49,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:49 ImpRootNode [2024-11-09 00:00:49,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:49,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:49,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:49,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:49,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:48" (3/4) ... [2024-11-09 00:00:49,588 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:49,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:49,591 INFO L158 Benchmark]: Toolchain (without parser) took 3389.20ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 50.8MB in the end (delta: 1.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,592 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:49,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2062.98ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 56.5MB in the end (delta: -4.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.78ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 53.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,596 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 109.1MB. Free memory was 53.4MB in the beginning and 51.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,597 INFO L158 Benchmark]: RCFGBuilder took 582.64ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 65.4MB in the end (delta: -14.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,598 INFO L158 Benchmark]: CodeCheck took 591.20ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 51.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:49,599 INFO L158 Benchmark]: Witness Printer took 8.71ms. Allocated memory is still 109.1MB. Free memory was 51.4MB in the beginning and 50.8MB in the end (delta: 601.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:49,608 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_53d_badSink(data) [L1577] 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 0.60ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2062.98ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 56.5MB in the end (delta: -4.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.78ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 53.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 109.1MB. Free memory was 53.4MB in the beginning and 51.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.64ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 65.4MB in the end (delta: -14.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * CodeCheck took 591.20ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 51.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.71ms. Allocated memory is still 109.1MB. Free memory was 51.4MB in the beginning and 50.8MB in the end (delta: 601.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:49,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b5d8a7-898c-4ad5-a798-e8eb0acb3557/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample