./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_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_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/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_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/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_b595107d-e0d0-482e-aa15-f57e58a42893/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 cc97983eee1bae1752601b2134a45f91e3415daed6bc26982b68c30eb488fa92 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:31,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:32,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:32,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:32,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:32,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:32,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:32,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:32,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:32,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:32,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:32,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:32,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:32,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:32,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:32,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:32,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:32,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:32,089 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:32,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:32,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:32,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:32,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:32,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:32,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:32,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:32,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:32,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:32,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:32,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:32,100 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_b595107d-e0d0-482e-aa15-f57e58a42893/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc97983eee1bae1752601b2134a45f91e3415daed6bc26982b68c30eb488fa92 [2024-11-08 22:05:32,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:32,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:32,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:32,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:32,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:32,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i Unable to find full path for "g++" [2024-11-08 22:05:34,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:34,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:34,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i [2024-11-08 22:05:34,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/ec5a59c82/cf910ee58a35407fb68ce88cfe8813c8/FLAG1d77c8d7a [2024-11-08 22:05:34,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/ec5a59c82/cf910ee58a35407fb68ce88cfe8813c8 [2024-11-08 22:05:34,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:34,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:34,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:34,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:34,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:34,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:34" (1/1) ... [2024-11-08 22:05:34,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48038f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:34, skipping insertion in model container [2024-11-08 22:05:34,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:34" (1/1) ... [2024-11-08 22:05:35,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:36,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:36,170 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:36,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:36,499 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:36,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36 WrapperNode [2024-11-08 22:05:36,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:36,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:36,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:36,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:36,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,572 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2024-11-08 22:05:36,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:36,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:36,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:36,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:36,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:36,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:36,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:36,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:36,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:36,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:36,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:36,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:36,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:36,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:37,094 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:37,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:37,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:37,136 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:37,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37 BoogieIcfgContainer [2024-11-08 22:05:37,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:37,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:37,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:37,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:37,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:05:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:05:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:37,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,684 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:37,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:37 ImpRootNode [2024-11-08 22:05:37,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:37,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:37,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:37,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:37,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (3/4) ... [2024-11-08 22:05:37,753 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:37,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:37,760 INFO L158 Benchmark]: Toolchain (without parser) took 2831.09ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 98.8MB in the beginning and 130.4MB in the end (delta: -31.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,761 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1569.93ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 98.8MB in the beginning and 105.3MB in the end (delta: -6.5MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.17ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,767 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,768 INFO L158 Benchmark]: RCFGBuilder took 529.57ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 85.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,774 INFO L158 Benchmark]: CodeCheck took 606.32ms. Allocated memory is still 174.1MB. Free memory was 85.4MB in the beginning and 130.4MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,774 INFO L158 Benchmark]: Witness Printer took 14.76ms. Allocated memory is still 174.1MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,780 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 1565, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1563. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1569.93ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 98.8MB in the beginning and 105.3MB in the end (delta: -6.5MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.17ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.57ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 85.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 606.32ms. Allocated memory is still 174.1MB. Free memory was 85.4MB in the beginning and 130.4MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 14.76ms. Allocated memory is still 174.1MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:37,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/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_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/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_b595107d-e0d0-482e-aa15-f57e58a42893/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 cc97983eee1bae1752601b2134a45f91e3415daed6bc26982b68c30eb488fa92 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:40,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:40,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:05:40,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:40,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:40,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:40,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:40,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:40,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:40,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:40,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:40,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:40,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:40,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:40,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:40,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:40,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:40,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:40,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:40,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:40,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:40,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:40,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:40,934 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:40,934 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:40,935 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:40,935 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:40,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:40,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:40,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:40,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:40,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:40,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:40,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:40,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:40,937 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_b595107d-e0d0-482e-aa15-f57e58a42893/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc97983eee1bae1752601b2134a45f91e3415daed6bc26982b68c30eb488fa92 [2024-11-08 22:05:41,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:41,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:41,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:41,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:41,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:41,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i Unable to find full path for "g++" [2024-11-08 22:05:43,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:44,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:44,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_44_bad.i [2024-11-08 22:05:44,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/2a020eff8/2a1af0323de54d12a2593eb9f51c7089/FLAG766dedb5c [2024-11-08 22:05:44,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/data/2a020eff8/2a1af0323de54d12a2593eb9f51c7089 [2024-11-08 22:05:44,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:44,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:44,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:44,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:44,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:44,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e431318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44, skipping insertion in model container [2024-11-08 22:05:44,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:45,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:45,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:45,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:45,853 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:45,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45 WrapperNode [2024-11-08 22:05:45,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:45,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:45,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:45,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,922 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-11-08 22:05:45,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:45,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:45,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:45,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:45,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:45,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:45,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:45,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:45,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:05:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:46,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:46,214 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:46,447 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:46,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:46,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:46,523 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:46,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:46 BoogieIcfgContainer [2024-11-08 22:05:46,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:46,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:46,527 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:46,538 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:46,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:46" (1/1) ... [2024-11-08 22:05:46,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:05:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:05:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:46,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:46,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:46,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:46,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:46,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:47,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:47,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:05:47,136 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:47,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:47 ImpRootNode [2024-11-08 22:05:47,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:47,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:47,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:47,172 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:47,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:46" (3/4) ... [2024-11-08 22:05:47,176 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:47,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:47,179 INFO L158 Benchmark]: Toolchain (without parser) took 2912.46ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 45.2MB in the end (delta: -5.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,180 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.1MB in the end (delta: 104.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1587.40ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.0MB in the beginning and 45.7MB in the end (delta: -5.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,182 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,184 INFO L158 Benchmark]: RCFGBuilder took 571.69ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 43.7MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,185 INFO L158 Benchmark]: CodeCheck took 641.93ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 45.7MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:47,185 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 86.0MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:47,190 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 1565, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1563. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.1MB in the end (delta: 104.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1587.40ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.0MB in the beginning and 45.7MB in the end (delta: -5.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.69ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 43.7MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 641.93ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 45.7MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 86.0MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:47,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b595107d-e0d0-482e-aa15-f57e58a42893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample