./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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 21ff04a61b981c145eb2eb054e3d306e60567d5d2ca4b5cae90d44f67d7eb3c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:41:17,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:41:17,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:41:17,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:41:17,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:41:17,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:41:17,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:41:17,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:41:17,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:41:17,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:41:17,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:41:17,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:41:17,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:41:17,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:41:17,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:41:17,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:41:17,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:41:17,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:41:17,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:41:17,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:41:17,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:41:17,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:41:17,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:41:17,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:41:17,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:41:17,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:41:17,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:17,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:41:17,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:41:17,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:41:17,582 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:41:17,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:41:17,587 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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21ff04a61b981c145eb2eb054e3d306e60567d5d2ca4b5cae90d44f67d7eb3c4 [2024-11-08 23:41:17,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:41:17,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:41:17,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:41:17,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:41:17,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:41:17,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 23:41:19,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:41:20,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:41:20,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i [2024-11-08 23:41:20,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/0eb77d0eb/45f6d886c19a4ba09703468f8e32c45d/FLAG3d16e9a96 [2024-11-08 23:41:20,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/0eb77d0eb/45f6d886c19a4ba09703468f8e32c45d [2024-11-08 23:41:20,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:41:20,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:41:20,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:20,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:41:20,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:41:20,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:20" (1/1) ... [2024-11-08 23:41:20,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4276b7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:20, skipping insertion in model container [2024-11-08 23:41:20,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:20" (1/1) ... [2024-11-08 23:41:20,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:41:21,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:21,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:41:21,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:21,853 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:41:21,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21 WrapperNode [2024-11-08 23:41:21,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:21,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:21,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:41:21,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:41:21,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,923 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-08 23:41:21,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:21,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:41:21,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:41:21,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:41:21,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:41:21,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:41:21,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:41:21,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:41:21,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:21" (1/1) ... [2024-11-08 23:41:21,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:22,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:41:22,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:41:22,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:41:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:41:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:41:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:41:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:41:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:41:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:41:22,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:41:22,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:41:22,350 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:41:22,351 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:41:22,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:41:22,403 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:41:22,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:22 BoogieIcfgContainer [2024-11-08 23:41:22,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:41:22,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:41:22,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:41:22,416 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:41:22,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:22" (1/1) ... [2024-11-08 23:41:22,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:41:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:41:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:41:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:41:22,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:22,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:22,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:22,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:22,914 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:41:22,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:41:22 ImpRootNode [2024-11-08 23:41:22,947 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:41:22,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:41:22,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:41:22,948 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:41:22,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:22" (3/4) ... [2024-11-08 23:41:22,951 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:41:22,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:41:22,953 INFO L158 Benchmark]: Toolchain (without parser) took 2585.68ms. Allocated memory is still 163.6MB. Free memory was 123.1MB in the beginning and 95.5MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,954 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:22,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.60ms. Allocated memory is still 163.6MB. Free memory was 123.1MB in the beginning and 56.8MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.59ms. Allocated memory is still 163.6MB. Free memory was 56.8MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,956 INFO L158 Benchmark]: Boogie Preprocessor took 53.33ms. Allocated memory is still 163.6MB. Free memory was 53.8MB in the beginning and 131.9MB in the end (delta: -78.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,956 INFO L158 Benchmark]: RCFGBuilder took 425.75ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 116.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,957 INFO L158 Benchmark]: CodeCheck took 542.07ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 96.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:41:22,957 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 938.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:22,961 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, 16 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1563, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1561. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fgets_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] 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] [L1561] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1563] data = atoi(inputBuffer) [L1570] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.60ms. Allocated memory is still 163.6MB. Free memory was 123.1MB in the beginning and 56.8MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.59ms. Allocated memory is still 163.6MB. Free memory was 56.8MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.33ms. Allocated memory is still 163.6MB. Free memory was 53.8MB in the beginning and 131.9MB in the end (delta: -78.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 425.75ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 116.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 542.07ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 96.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 938.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:41:22,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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 21ff04a61b981c145eb2eb054e3d306e60567d5d2ca4b5cae90d44f67d7eb3c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:41:25,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:41:25,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:41:25,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:41:25,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:41:25,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:41:25,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:41:25,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:41:25,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:41:25,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:41:25,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:41:25,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:41:25,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:41:25,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:41:25,619 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:41:25,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:41:25,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:41:25,620 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:41:25,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:41:25,621 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:41:25,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:41:25,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:41:25,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:41:25,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:41:25,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:41:25,626 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:25,627 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:41:25,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:41:25,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:25,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:41:25,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:41:25,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:41:25,628 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:41:25,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:25,629 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:41:25,629 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_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21ff04a61b981c145eb2eb054e3d306e60567d5d2ca4b5cae90d44f67d7eb3c4 [2024-11-08 23:41:26,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:41:26,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:41:26,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:41:26,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:41:26,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:41:26,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 23:41:28,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:41:28,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:41:28,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_41_bad.i [2024-11-08 23:41:28,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/a2d9176b0/9a6c1cd9fd994167adcb62ed3fd871ce/FLAGfd855c285 [2024-11-08 23:41:28,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/data/a2d9176b0/9a6c1cd9fd994167adcb62ed3fd871ce [2024-11-08 23:41:28,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:41:28,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:41:28,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:28,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:41:28,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:41:28,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:28" (1/1) ... [2024-11-08 23:41:28,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73adc3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:28, skipping insertion in model container [2024-11-08 23:41:28,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:28" (1/1) ... [2024-11-08 23:41:28,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:41:30,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:30,224 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:41:30,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:30,485 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:41:30,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30 WrapperNode [2024-11-08 23:41:30,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:30,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:30,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:41:30,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:41:30,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,547 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-08 23:41:30,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:30,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:41:30,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:41:30,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:41:30,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:41:30,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:41:30,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:41:30,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:41:30,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:30" (1/1) ... [2024-11-08 23:41:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:41:30,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:41:30,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:41:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:41:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:41:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:41:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:41:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:41:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:41:30,850 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:41:30,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:41:30,991 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:41:30,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:41:31,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:41:31,058 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:41:31,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:31 BoogieIcfgContainer [2024-11-08 23:41:31,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:41:31,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:41:31,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:41:31,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:41:31,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:31" (1/1) ... [2024-11-08 23:41:31,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:41:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:41:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:41:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:41:31,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:31,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:31,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:31,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:31,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:41:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:31,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:31,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:31,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:41:31,648 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:41:31,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:41:31 ImpRootNode [2024-11-08 23:41:31,680 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:41:31,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:41:31,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:41:31,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:41:31,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:31" (3/4) ... [2024-11-08 23:41:31,686 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:41:31,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:41:31,688 INFO L158 Benchmark]: Toolchain (without parser) took 2903.33ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.3MB in the beginning and 67.3MB in the end (delta: -23.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,689 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 98.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1699.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 44.0MB in the beginning and 45.5MB in the end (delta: -1.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,692 INFO L158 Benchmark]: Boogie Preprocessor took 32.32ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,693 INFO L158 Benchmark]: RCFGBuilder took 478.35ms. Allocated memory is still 86.0MB. Free memory was 40.2MB in the beginning and 44.6MB in the end (delta: -4.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 23:41:31,694 INFO L158 Benchmark]: CodeCheck took 620.47ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 67.5MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:31,695 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 67.3MB in the end (delta: 237.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:31,702 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1563, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1561. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fgets_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] 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] [L1561] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1563] data = atoi(inputBuffer) [L1570] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 98.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1699.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 44.0MB in the beginning and 45.5MB in the end (delta: -1.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.32ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.35ms. Allocated memory is still 86.0MB. Free memory was 40.2MB in the beginning and 44.6MB in the end (delta: -4.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 620.47ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 67.5MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 67.3MB in the end (delta: 237.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:41:31,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd3b5c6-7001-4cce-9b66-13d7bd139d47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample