./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3 --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 0f4b6cb66f44c03b39cb8a828719dfd55f406239a5a7c804e9d0078ffe53721a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:32:27,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:32:27,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:32:27,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:32:27,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:32:27,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:32:27,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:32:27,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:32:27,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:32:27,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:32:27,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:32:27,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:32:27,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:32:27,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:32:27,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:32:27,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:32:27,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:32:27,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:32:27,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:32:27,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:32:27,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:32:27,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:27,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:32:27,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:32:27,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:32:27,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:32:27,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:32:27,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0f4b6cb66f44c03b39cb8a828719dfd55f406239a5a7c804e9d0078ffe53721a [2024-11-25 04:32:27,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:32:27,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:32:27,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:32:27,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:32:27,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:32:27,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i [2024-11-25 04:32:30,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/5135c45c4/5c3fd8f98c5746f19d1deeb409cb0f87/FLAG59afe0381 [2024-11-25 04:32:31,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:32:31,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i [2024-11-25 04:32:31,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/5135c45c4/5c3fd8f98c5746f19d1deeb409cb0f87/FLAG59afe0381 [2024-11-25 04:32:31,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/5135c45c4/5c3fd8f98c5746f19d1deeb409cb0f87 [2024-11-25 04:32:31,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:32:31,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:32:31,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:31,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:32:31,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:32:31,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:31" (1/1) ... [2024-11-25 04:32:31,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60417000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:31, skipping insertion in model container [2024-11-25 04:32:31,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:31" (1/1) ... [2024-11-25 04:32:31,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:32:32,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:32,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:32:32,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:32,560 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:32:32,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32 WrapperNode [2024-11-25 04:32:32,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:32,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:32,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:32:32,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:32:32,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,634 INFO L138 Inliner]: procedures = 501, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2024-11-25 04:32:32,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:32,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:32:32,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:32:32,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:32:32,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:32:32,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:32:32,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:32:32,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:32:32,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:32" (1/1) ... [2024-11-25 04:32:32,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:32:32,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:32:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:32:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:32:32,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:32:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:32:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:32:32,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:32:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:32:32,891 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:32:32,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:32:33,067 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:32:33,067 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:32:33,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:32:33,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:32:33,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:33 BoogieIcfgContainer [2024-11-25 04:32:33,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:32:33,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:32:33,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:32:33,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:32:33,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:33" (1/1) ... [2024-11-25 04:32:33,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:32:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:32:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:32:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:32:33,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:33,341 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:32:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:33,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:32:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:33,535 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:32:33,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:32:33 ImpRootNode [2024-11-25 04:32:33,576 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:32:33,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:32:33,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:32:33,577 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:32:33,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:33" (3/4) ... [2024-11-25 04:32:33,580 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:32:33,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:32:33,582 INFO L158 Benchmark]: Toolchain (without parser) took 2505.10ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 70.6MB in the end (delta: 8.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-25 04:32:33,582 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:33,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.74ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 61.0MB in the end (delta: 18.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:32:33,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.22ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:33,583 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:33,583 INFO L158 Benchmark]: RCFGBuilder took 439.61ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 43.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:32:33,584 INFO L158 Benchmark]: CodeCheck took 469.84ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 70.6MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:33,584 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 70.6MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:33,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_postdec_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_postdec_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_postdec_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_53d_badSink(data) [L1587] 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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.74ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 61.0MB in the end (delta: 18.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.22ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.61ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 43.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 469.84ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 70.6MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 70.6MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:32:33,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3 --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 0f4b6cb66f44c03b39cb8a828719dfd55f406239a5a7c804e9d0078ffe53721a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:32:36,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:32:36,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:32:36,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:32:36,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:32:36,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:32:36,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:32:36,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:32:36,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:32:36,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:32:36,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:32:36,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:36,442 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:32:36,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:36,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:32:36,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0f4b6cb66f44c03b39cb8a828719dfd55f406239a5a7c804e9d0078ffe53721a [2024-11-25 04:32:36,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:32:36,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:32:36,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:32:36,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:32:36,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:32:36,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i [2024-11-25 04:32:39,754 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/79fb7cd17/3c99fc1d8d424cfe8b9313e77ef96ca9/FLAGa6197d673 [2024-11-25 04:32:40,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:32:40,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_53_bad.i [2024-11-25 04:32:40,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/79fb7cd17/3c99fc1d8d424cfe8b9313e77ef96ca9/FLAGa6197d673 [2024-11-25 04:32:40,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/data/79fb7cd17/3c99fc1d8d424cfe8b9313e77ef96ca9 [2024-11-25 04:32:40,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:32:40,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:32:40,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:40,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:32:40,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:32:40,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:40" (1/1) ... [2024-11-25 04:32:40,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eda434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:40, skipping insertion in model container [2024-11-25 04:32:40,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:40" (1/1) ... [2024-11-25 04:32:40,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:32:41,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:41,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:32:41,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:41,800 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:32:41,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41 WrapperNode [2024-11-25 04:32:41,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:41,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:41,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:32:41,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:32:41,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,878 INFO L138 Inliner]: procedures = 506, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 66 [2024-11-25 04:32:41,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:41,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:32:41,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:32:41,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:32:41,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,911 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:32:41,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:32:41,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:32:41,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:32:41,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41" (1/1) ... [2024-11-25 04:32:41,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:32:41,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:32:41,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:32:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:32:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:32:42,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:32:42,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:32:42,293 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:32:42,293 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:32:42,354 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:32:42,355 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:32:42,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:42 BoogieIcfgContainer [2024-11-25 04:32:42,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:32:42,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:32:42,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:32:42,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:32:42,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:42" (1/1) ... [2024-11-25 04:32:42,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:32:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:32:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:32:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:32:42,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:42,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:42,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:32:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:42,686 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:32:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:42,824 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:32:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:32:42,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:32:42,872 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:32:42,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:32:42 ImpRootNode [2024-11-25 04:32:42,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:32:42,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:32:42,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:32:42,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:32:42,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:42" (3/4) ... [2024-11-25 04:32:42,916 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:32:42,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:32:42,920 INFO L158 Benchmark]: Toolchain (without parser) took 2575.56ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 33.8MB in the end (delta: 23.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-25 04:32:42,920 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:42,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.22ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.3MB in the end (delta: 7.7MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-11-25 04:32:42,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.81ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 46.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:42,924 INFO L158 Benchmark]: Boogie Preprocessor took 51.85ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:32:42,924 INFO L158 Benchmark]: RCFGBuilder took 423.27ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 52.0MB in the end (delta: -7.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-25 04:32:42,925 INFO L158 Benchmark]: CodeCheck took 554.42ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 33.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:32:42,925 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 83.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:32:42,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_postdec_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_postdec_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_postdec_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_53d_badSink(data) [L1587] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.22ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.3MB in the end (delta: 7.7MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.81ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 46.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.85ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 423.27ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 52.0MB in the end (delta: -7.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 554.42ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 33.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 83.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:32:42,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a68591-1612-4771-8874-552b1da9b1de/bin/ukojak-verify-ENZ3QT5qd3/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