./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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_87384e37-e8a6-413d-a3d4-353977de7600/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:34,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:34,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:57:34,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:57:34,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:57:34,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:34,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:34,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:34,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:34,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:34,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:34,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:34,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:57:34,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:34,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:34,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:34,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:34,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:34,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:57:34,136 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:57:34,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:34,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:34,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:34,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:34,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:34,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:34,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:34,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:34,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:34,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:34,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:57:34,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:57:34,141 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_87384e37-e8a6-413d-a3d4-353977de7600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2024-11-09 00:57:34,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:34,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:34,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:34,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:34,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:34,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i Unable to find full path for "g++" [2024-11-09 00:57:36,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:36,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:36,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-09 00:57:36,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/3a27edd88/33eeb42e166b4b31bcdd832a03319ef7/FLAG6237363e9 [2024-11-09 00:57:36,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/3a27edd88/33eeb42e166b4b31bcdd832a03319ef7 [2024-11-09 00:57:36,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:36,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:36,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:36,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:36,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:36,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:36" (1/1) ... [2024-11-09 00:57:36,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199ad909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:36, skipping insertion in model container [2024-11-09 00:57:36,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:36" (1/1) ... [2024-11-09 00:57:36,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:38,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:38,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:38,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:38,376 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:38,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38 WrapperNode [2024-11-09 00:57:38,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:38,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:38,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:38,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:38,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,454 INFO L138 Inliner]: procedures = 501, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2024-11-09 00:57:38,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:38,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:38,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:38,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:38,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:38,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:38,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:38,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:38,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:38,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:38,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:38,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:57:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:57:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:57:38,726 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:38,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:38,855 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:38,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:38,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:38,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:57:38,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:38 BoogieIcfgContainer [2024-11-09 00:57:38,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:38,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:38,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:38,913 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:38,913 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:38" (1/1) ... [2024-11-09 00:57:38,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:57:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:57:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:57:38,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:39,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:57:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:39,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:57:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:39,272 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:57:39,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:57:39 ImpRootNode [2024-11-09 00:57:39,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:57:39,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:57:39,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:57:39,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:57:39,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:38" (3/4) ... [2024-11-09 00:57:39,311 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:57:39,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:57:39,313 INFO L158 Benchmark]: Toolchain (without parser) took 2414.82ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 58.6MB in the end (delta: 51.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-11-09 00:57:39,313 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:39,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.18ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 100.5MB in the end (delta: 9.2MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-09 00:57:39,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.00ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 97.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:57:39,315 INFO L158 Benchmark]: Boogie Preprocessor took 38.19ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 95.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:39,316 INFO L158 Benchmark]: RCFGBuilder took 405.08ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 80.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:57:39,316 INFO L158 Benchmark]: CodeCheck took 405.58ms. Allocated memory is still 148.9MB. Free memory was 80.3MB in the beginning and 58.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:57:39,317 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 148.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:39,320 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1588]: 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 large string literal at line 1569, 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 CWE191_Integer_Underflow__int_fgets_multiply_53_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 CWE191_Integer_Underflow__int_fgets_multiply_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_53d_badSink(data) [L1586] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] data * 2 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 0.31ms. Allocated memory is still 148.9MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.18ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 100.5MB in the end (delta: 9.2MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.00ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 97.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.19ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 95.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.08ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 80.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 405.58ms. Allocated memory is still 148.9MB. Free memory was 80.3MB in the beginning and 58.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 148.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:57:39,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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_87384e37-e8a6-413d-a3d4-353977de7600/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:41,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:41,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:57:41,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:41,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:41,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:41,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:41,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:41,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:41,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:41,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:41,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:41,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:41,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:41,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:57:41,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:57:41,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:41,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:57:41,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:57:41,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:57:41,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:41,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:41,973 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:41,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:41,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:41,974 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:41,974 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:57:41,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:41,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:41,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:41,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:41,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:41,980 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:57:41,980 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:41,981 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:57:41,981 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_87384e37-e8a6-413d-a3d4-353977de7600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2024-11-09 00:57:42,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:42,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:42,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:42,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:42,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:42,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i Unable to find full path for "g++" [2024-11-09 00:57:44,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:44,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:44,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-09 00:57:44,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/648dce38e/73a3d44a845242138ab64bc1faba46dc/FLAG27bb5ab26 [2024-11-09 00:57:45,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/data/648dce38e/73a3d44a845242138ab64bc1faba46dc [2024-11-09 00:57:45,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:45,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:45,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:45,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:45,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:45,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:45" (1/1) ... [2024-11-09 00:57:45,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cb9354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:45, skipping insertion in model container [2024-11-09 00:57:45,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:45" (1/1) ... [2024-11-09 00:57:45,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:46,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:46,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:46,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:46,633 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:46,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46 WrapperNode [2024-11-09 00:57:46,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:46,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:46,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:46,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:46,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,736 INFO L138 Inliner]: procedures = 506, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2024-11-09 00:57:46,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:46,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:46,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:46,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:46,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:46,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:46,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:46,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:46,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:46,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:46,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:57:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:57:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:57:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:47,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:47,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:47,235 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:47,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:47,291 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:47,292 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:57:47,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:47 BoogieIcfgContainer [2024-11-09 00:57:47,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:47,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:47,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:47,305 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:47,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:57:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:57:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:57:47,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:47,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:47,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:47,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:57:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:47,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:57:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:47,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:57:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:47,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:57:47,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:57:47,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:57:47 ImpRootNode [2024-11-09 00:57:47,884 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:57:47,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:57:47,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:57:47,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:57:47,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:47" (3/4) ... [2024-11-09 00:57:47,890 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:57:47,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:57:47,894 INFO L158 Benchmark]: Toolchain (without parser) took 2810.03ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 31.4MB in the beginning and 50.3MB in the end (delta: -18.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:47,894 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:47,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.86ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 31.2MB in the beginning and 38.0MB in the end (delta: -6.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-09 00:57:47,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.97ms. Allocated memory is still 94.4MB. Free memory was 38.0MB in the beginning and 63.5MB in the end (delta: -25.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 00:57:47,897 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:57:47,898 INFO L158 Benchmark]: RCFGBuilder took 512.10ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 43.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:57:47,899 INFO L158 Benchmark]: CodeCheck took 591.29ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 50.6MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:47,900 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 50.3MB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:47,904 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, 18 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, 9 NumberOfCodeBlocks, 9 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: 1588]: 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 large string literal at line 1569, 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 CWE191_Integer_Underflow__int_fgets_multiply_53_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 CWE191_Integer_Underflow__int_fgets_multiply_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_53d_badSink(data) [L1586] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] data * 2 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 0.31ms. Allocated memory is still 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.86ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 31.2MB in the beginning and 38.0MB in the end (delta: -6.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.97ms. Allocated memory is still 94.4MB. Free memory was 38.0MB in the beginning and 63.5MB in the end (delta: -25.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.10ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 43.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 591.29ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 50.6MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 50.3MB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:57:47,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87384e37-e8a6-413d-a3d4-353977de7600/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