./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b --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 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:12:15,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:12:15,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:12:15,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:12:15,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:12:15,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:12:15,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:12:15,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:12:15,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:12:15,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:12:15,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:12:15,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:12:15,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:15,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:12:15,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:12:15,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:12:15,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:12:15,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b 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 -> 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef [2024-12-05 23:12:15,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:12:15,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:12:15,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:12:15,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:12:15,883 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:12:15,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-12-05 23:12:18,500 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/36ccf7866/b7abcc645f41475cba762680171efbd2/FLAG8c9f35984 [2024-12-05 23:12:18,786 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:12:18,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-12-05 23:12:18,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/36ccf7866/b7abcc645f41475cba762680171efbd2/FLAG8c9f35984 [2024-12-05 23:12:19,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/36ccf7866/b7abcc645f41475cba762680171efbd2 [2024-12-05 23:12:19,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:12:19,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:12:19,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:19,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:12:19,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:12:19,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f22669d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19, skipping insertion in model container [2024-12-05 23:12:19,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:12:19,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:19,751 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:12:19,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:19,935 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:12:19,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19 WrapperNode [2024-12-05 23:12:19,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:19,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:19,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:12:19,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:12:19,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,972 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-12-05 23:12:19,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:19,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:12:19,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:12:19,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:12:19,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,985 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:12:19,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:12:19,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:12:19,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:12:19,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:19" (1/1) ... [2024-12-05 23:12:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:12:20,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:12:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:12:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:12:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:12:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:12:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:12:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:12:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:12:20,141 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:12:20,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:12:20,226 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 23:12:20,226 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:12:20,252 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:12:20,252 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:12:20,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:20 BoogieIcfgContainer [2024-12-05 23:12:20,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:12:20,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:12:20,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:12:20,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:12:20,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:20" (1/1) ... [2024-12-05 23:12:20,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:12:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 23:12:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 23:12:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:20,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 23:12:20,654 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 23:12:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:12:20,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:20,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:12:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:20,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:12:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:20,774 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 23:12:20,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:12:20 ImpRootNode [2024-12-05 23:12:20,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:12:20,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:12:20,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:12:20,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:12:20,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:20" (3/4) ... [2024-12-05 23:12:20,798 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:12:20,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:12:20,799 INFO L158 Benchmark]: Toolchain (without parser) took 1728.21ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 30.8MB in the end (delta: 59.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-05 23:12:20,799 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:20,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.20ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.2MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-05 23:12:20,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.99ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:12:20,801 INFO L158 Benchmark]: Boogie Preprocessor took 18.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:20,801 INFO L158 Benchmark]: RCFGBuilder took 260.62ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 65.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:12:20,801 INFO L158 Benchmark]: CodeCheck took 541.79ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 31.3MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:12:20,802 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 117.4MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:20,804 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: 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 atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_51b_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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.20ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.2MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.99ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.62ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 65.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 541.79ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 31.3MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 117.4MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:12:20,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b --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 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:12:22,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:12:22,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:12:22,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:12:22,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:12:22,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:12:22,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:12:22,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:12:22,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:12:22,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:12:22,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:12:22,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:12:22,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:22,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:12:22,839 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:12:22,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:22,840 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:12:22,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b 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 -> 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef [2024-12-05 23:12:23,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:12:23,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:12:23,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:12:23,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:12:23,080 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:12:23,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-12-05 23:12:25,718 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/e9cce246d/3bdeb31d52f64a7cb72df2876f48337d/FLAG11fa69952 [2024-12-05 23:12:26,020 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:12:26,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-12-05 23:12:26,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/e9cce246d/3bdeb31d52f64a7cb72df2876f48337d/FLAG11fa69952 [2024-12-05 23:12:26,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/data/e9cce246d/3bdeb31d52f64a7cb72df2876f48337d [2024-12-05 23:12:26,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:12:26,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:12:26,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:26,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:12:26,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:12:26,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cef9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26, skipping insertion in model container [2024-12-05 23:12:26,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:12:26,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:26,740 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:12:26,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:26,945 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:12:26,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26 WrapperNode [2024-12-05 23:12:26,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:26,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:26,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:12:26,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:12:26,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,986 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-12-05 23:12:26,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:26,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:12:26,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:12:26,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:12:26,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:26,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:12:27,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:12:27,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:12:27,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:12:27,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:26" (1/1) ... [2024-12-05 23:12:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:27,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:12:27,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:12:27,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:12:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:12:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:12:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:12:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:12:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:12:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:12:27,180 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:12:27,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:12:27,285 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 23:12:27,285 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:12:27,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:12:27,322 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:12:27,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:27 BoogieIcfgContainer [2024-12-05 23:12:27,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:12:27,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:12:27,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:12:27,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:12:27,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:27" (1/1) ... [2024-12-05 23:12:27,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:12:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 23:12:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 23:12:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:12:27,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:27,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:27,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:27,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:27,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:12:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:27,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:27,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:12:27,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:27,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:12:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-05 23:12:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-05 23:12:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:12:27,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:27,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:27,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:27,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:27,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:12:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:27,726 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:12:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:27,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:12:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:12:27,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 23:12:27,852 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 23:12:27,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:12:27 ImpRootNode [2024-12-05 23:12:27,872 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:12:27,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:12:27,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:12:27,873 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:12:27,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:27" (3/4) ... [2024-12-05 23:12:27,875 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:12:27,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:12:27,877 INFO L158 Benchmark]: Toolchain (without parser) took 1821.21ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 65.5MB in the beginning and 110.0MB in the end (delta: -44.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-05 23:12:27,877 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:27,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.28ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-05 23:12:27,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.06ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:27,878 INFO L158 Benchmark]: Boogie Preprocessor took 24.70ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:27,878 INFO L158 Benchmark]: RCFGBuilder took 310.06ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 41.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:12:27,879 INFO L158 Benchmark]: CodeCheck took 549.33ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 41.2MB in the beginning and 110.5MB in the end (delta: -69.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:12:27,879 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.0MB in the end (delta: 542.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:12:27,882 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: 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 atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_51b_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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.28ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.06ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.70ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.06ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 41.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 549.33ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 41.2MB in the beginning and 110.5MB in the end (delta: -69.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.0MB in the end (delta: 542.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:12:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cc1d9-89ce-4b23-9450-75687edfb058/bin/ukojak-verify-CZk0znPC7b/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