./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm --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 ba64d58b3e01052798cfd796bd911f497689e4f5efd7291b07f123a324c18dc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:01,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:01,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:07:01,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:07:01,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:07:01,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:01,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:01,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:01,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:01,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:01,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:01,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:01,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:07:01,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:01,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:01,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:01,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:01,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:01,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:01,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:01,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:01,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:01,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:01,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:01,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:01,606 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:07:01,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:07:01,606 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_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm 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 -> ba64d58b3e01052798cfd796bd911f497689e4f5efd7291b07f123a324c18dc2 [2024-11-13 23:07:01,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:01,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:01,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:01,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:01,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:01,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i Unable to find full path for "g++" [2024-11-13 23:07:03,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:04,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:04,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i [2024-11-13 23:07:04,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/1f2e6295a/50d8aaac846a48749b7855341a8e7a06/FLAGd4b961dcd [2024-11-13 23:07:04,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/1f2e6295a/50d8aaac846a48749b7855341a8e7a06 [2024-11-13 23:07:04,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:04,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:04,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:04,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:04,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:04,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:04" (1/1) ... [2024-11-13 23:07:04,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c13aa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:04, skipping insertion in model container [2024-11-13 23:07:04,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:04" (1/1) ... [2024-11-13 23:07:04,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:05,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:05,560 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:05,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:05,865 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:05,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05 WrapperNode [2024-11-13 23:07:05,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:05,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:05,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:05,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:05,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,912 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 23:07:05,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:05,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:05,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:05,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:05,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:05,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:05,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:05,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:05,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:05" (1/1) ... [2024-11-13 23:07:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:05,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:06,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:06,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:07:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:07:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:07:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:07:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:07:06,206 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:06,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:06,357 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:06,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:06,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:06,425 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:06,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:06 BoogieIcfgContainer [2024-11-13 23:07:06,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:06,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:06,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:06,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:06,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:06" (1/1) ... [2024-11-13 23:07:06,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 23:07:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 23:07:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:07:06,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:06,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:06,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:06,959 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:07,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:07 ImpRootNode [2024-11-13 23:07:07,000 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:07,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:07,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:07,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:07,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:06" (3/4) ... [2024-11-13 23:07:07,006 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:07,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:07,008 INFO L158 Benchmark]: Toolchain (without parser) took 2537.56ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 64.4MB in the end (delta: 51.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-13 23:07:07,011 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:07,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1391.93ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 105.6MB in the end (delta: 9.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-13 23:07:07,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.42ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:07,013 INFO L158 Benchmark]: Boogie Preprocessor took 43.81ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:07,014 INFO L158 Benchmark]: RCFGBuilder took 469.38ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 86.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:07,014 INFO L158 Benchmark]: CodeCheck took 572.56ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 64.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:07,014 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 142.6MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:07,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1556. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fgets_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={21239:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_sub_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1391.93ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 105.6MB in the end (delta: 9.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.42ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.81ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.38ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 86.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 572.56ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 64.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 142.6MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:07:07,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/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_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm --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 ba64d58b3e01052798cfd796bd911f497689e4f5efd7291b07f123a324c18dc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:09,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:10,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:07:10,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:10,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:10,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:10,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:10,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:10,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:10,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:10,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:10,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:10,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:10,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:10,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:07:10,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:07:10,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:10,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:10,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:10,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:07:10,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:10,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:10,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:10,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:10,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:10,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:07:10,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:10,086 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:07:10,086 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_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm 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 -> ba64d58b3e01052798cfd796bd911f497689e4f5efd7291b07f123a324c18dc2 [2024-11-13 23:07:10,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:10,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:10,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:10,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:10,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:10,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i Unable to find full path for "g++" [2024-11-13 23:07:12,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:12,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:12,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_66_bad.i [2024-11-13 23:07:12,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/fe3edac95/1217af50b37a48dd9a00d7d19cbfee4e/FLAG8e0bd7d7e [2024-11-13 23:07:12,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/data/fe3edac95/1217af50b37a48dd9a00d7d19cbfee4e [2024-11-13 23:07:12,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:12,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:12,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:12,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:12,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:12,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:12" (1/1) ... [2024-11-13 23:07:12,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2779c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:12, skipping insertion in model container [2024-11-13 23:07:12,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:12" (1/1) ... [2024-11-13 23:07:13,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:14,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:14,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:14,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:14,519 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:14,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14 WrapperNode [2024-11-13 23:07:14,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:14,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:14,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:14,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:14,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,595 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 23:07:14,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:14,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:14,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:14,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:14,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:14,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:14,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:14,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:14,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:14" (1/1) ... [2024-11-13 23:07:14,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:14,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:14,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:07:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:07:14,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:14,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:15,055 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:15,055 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:15,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:15,104 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:15,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:15 BoogieIcfgContainer [2024-11-13 23:07:15,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:15,105 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:15,105 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:15,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:15,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:15" (1/1) ... [2024-11-13 23:07:15,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 23:07:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 23:07:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:07:15,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:15,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:15,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:15,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:15,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:07:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:15,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:15,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:15,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:07:15,811 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:15,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:15 ImpRootNode [2024-11-13 23:07:15,847 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:15,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:15,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:15,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:15,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:15" (3/4) ... [2024-11-13 23:07:15,853 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:15,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:15,855 INFO L158 Benchmark]: Toolchain (without parser) took 2883.15ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 88.8MB in the beginning and 222.9MB in the end (delta: -134.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-13 23:07:15,855 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:15,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.07ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.4MB in the end (delta: 22.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 23:07:15,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.47ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:15,858 INFO L158 Benchmark]: Boogie Preprocessor took 53.67ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:15,858 INFO L158 Benchmark]: RCFGBuilder took 454.11ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 43.3MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:07:15,859 INFO L158 Benchmark]: CodeCheck took 742.06ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 43.3MB in the beginning and 222.9MB in the end (delta: -179.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:15,859 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 268.4MB. Free memory was 222.9MB in the beginning and 222.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:15,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1556. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fgets_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_sub_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.07ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.4MB in the end (delta: 22.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.47ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.67ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.11ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 43.3MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 742.06ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 43.3MB in the beginning and 222.9MB in the end (delta: -179.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 268.4MB. Free memory was 222.9MB in the beginning and 222.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:07:15,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3954b3a8-ef6d-4aaf-9aaa-969c1da6d6d4/bin/ukojak-verify-EEHR8qb7sm/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