./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:03,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:03,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:30:03,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:30:03,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:30:03,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:03,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:03,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:03,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:03,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:03,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:03,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:03,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:30:03,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:03,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:03,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:03,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:03,343 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:03,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:03,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:03,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:03,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:03,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:03,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:03,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:03,345 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:30:03,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:30:03,345 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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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 -> 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 [2024-11-25 03:30:03,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:03,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:03,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:03,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:03,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:03,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-25 03:30:06,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/282bfc8ae/1ba129ed2968483f832b31ece3b9bbfa/FLAGc0d0feee2 [2024-11-25 03:30:07,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:30:07,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-25 03:30:07,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/282bfc8ae/1ba129ed2968483f832b31ece3b9bbfa/FLAGc0d0feee2 [2024-11-25 03:30:07,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/282bfc8ae/1ba129ed2968483f832b31ece3b9bbfa [2024-11-25 03:30:07,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:30:07,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:30:07,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:07,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:30:07,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:30:07,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5cd18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07, skipping insertion in model container [2024-11-25 03:30:07,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:30:08,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:08,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:30:08,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:08,453 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:30:08,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08 WrapperNode [2024-11-25 03:30:08,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:08,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:08,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:30:08,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:30:08,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,521 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-25 03:30:08,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:08,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:30:08,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:30:08,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:30:08,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:30:08,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:30:08,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:30:08,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:30:08,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:08,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:30:08,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:30:08,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:30:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:30:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:30:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:30:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:30:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:30:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:30:08,779 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:30:08,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:08,906 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:08,906 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:08,943 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:08,943 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:08,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08 BoogieIcfgContainer [2024-11-25 03:30:08,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:08,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:08,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:08,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:08,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:30:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:30:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:30:09,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,333 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,378 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:30:09,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:30:09 ImpRootNode [2024-11-25 03:30:09,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:30:09,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:30:09,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:30:09,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:30:09,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08" (3/4) ... [2024-11-25 03:30:09,424 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:30:09,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:30:09,430 INFO L158 Benchmark]: Toolchain (without parser) took 2182.13ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 78.3MB in the end (delta: 37.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,431 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.81ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 54.9MB in the end (delta: 60.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.81ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.8MB in the end (delta: -59.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,432 INFO L158 Benchmark]: Boogie Preprocessor took 22.33ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,433 INFO L158 Benchmark]: RCFGBuilder took 398.27ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,435 INFO L158 Benchmark]: CodeCheck took 474.48ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 78.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,435 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,437 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, 17 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.81ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 54.9MB in the end (delta: 60.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.81ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.8MB in the end (delta: -59.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.33ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.27ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 474.48ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 78.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. 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 03:30:09,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:12,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:12,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:30:12,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:12,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:12,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:12,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:12,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:12,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:12,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:12,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:12,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:12,244 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:12,244 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:30:12,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:12,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:12,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:12,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:12,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:12,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:30:12,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:12,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:30:12,250 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_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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 -> 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 [2024-11-25 03:30:12,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:12,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:12,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:12,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:12,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:12,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-25 03:30:15,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/2205a0c93/62f2e81f4bff474da5928b4c3a3af847/FLAGfa3675ccc [2024-11-25 03:30:16,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:30:16,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-25 03:30:16,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/2205a0c93/62f2e81f4bff474da5928b4c3a3af847/FLAGfa3675ccc [2024-11-25 03:30:16,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/2205a0c93/62f2e81f4bff474da5928b4c3a3af847 [2024-11-25 03:30:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:30:16,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:30:16,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:16,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:30:16,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:30:16,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4add88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16, skipping insertion in model container [2024-11-25 03:30:16,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:30:17,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:17,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:30:17,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:17,558 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:30:17,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17 WrapperNode [2024-11-25 03:30:17,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:17,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:17,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:30:17,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:30:17,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,639 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-25 03:30:17,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:17,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:30:17,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:30:17,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:30:17,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:30:17,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:30:17,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:30:17,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:30:17,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:17" (1/1) ... [2024-11-25 03:30:17,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:30:17,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:30:17,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:30:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:30:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:30:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:30:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:30:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:30:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:30:17,948 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:30:17,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:18,092 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:18,092 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:18,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:18,147 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:18,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:18 BoogieIcfgContainer [2024-11-25 03:30:18,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:18,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:18,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:18,160 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:18,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:18" (1/1) ... [2024-11-25 03:30:18,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:30:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:30:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:30:18,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:18,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:18,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:18,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:30:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:18,513 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:18,664 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:18,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:30:18,727 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:30:18,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:30:18 ImpRootNode [2024-11-25 03:30:18,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:30:18,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:30:18,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:30:18,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:30:18,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:18" (3/4) ... [2024-11-25 03:30:18,770 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:30:18,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:30:18,772 INFO L158 Benchmark]: Toolchain (without parser) took 2466.26ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 57.9MB in the beginning and 100.2MB in the end (delta: -42.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-25 03:30:18,773 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:18,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.82ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 79.4MB in the end (delta: -21.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-25 03:30:18,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.33ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:18,774 INFO L158 Benchmark]: Boogie Preprocessor took 51.94ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:18,776 INFO L158 Benchmark]: RCFGBuilder took 455.64ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 58.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:18,777 INFO L158 Benchmark]: CodeCheck took 615.56ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 101.0MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:18,777 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 100.2MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:18,781 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.82ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 79.4MB in the end (delta: -21.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.33ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.94ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.64ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 58.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 615.56ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 101.0MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 100.2MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:30:18,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d96c26-757e-4bf8-8ac0-1b0f46c3e2c3/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample