./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_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_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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_5ba99e75-0348-4bb3-9d73-ad454a96321e/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 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:36:48,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:36:49,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:36:49,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:36:49,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:36:49,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:36:49,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:36:49,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:36:49,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:36:49,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:36:49,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:36:49,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:36:49,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:36:49,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:36:49,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:36:49,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:36:49,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:36:49,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:36:49,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:36:49,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:36:49,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:36:49,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:49,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:36:49,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:36:49,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:36:49,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:36:49,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:36:49,175 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_5ba99e75-0348-4bb3-9d73-ad454a96321e/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 -> 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 [2024-11-13 22:36:49,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:36:49,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:36:49,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:36:49,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:36:49,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:36:49,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 22:36:51,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:36:52,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:36:52,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2024-11-13 22:36:52,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/af1c730c5/ffc02ec97bd743e89f418257680bc244/FLAG2853b70b8 [2024-11-13 22:36:52,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/af1c730c5/ffc02ec97bd743e89f418257680bc244 [2024-11-13 22:36:52,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:36:52,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:36:52,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:52,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:36:52,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:36:52,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:52" (1/1) ... [2024-11-13 22:36:52,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3bbabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:52, skipping insertion in model container [2024-11-13 22:36:52,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:52" (1/1) ... [2024-11-13 22:36:52,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:36:53,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:53,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:36:53,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:53,749 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:36:53,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53 WrapperNode [2024-11-13 22:36:53,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:53,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:53,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:36:53,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:36:53,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,841 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-13 22:36:53,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:53,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:36:53,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:36:53,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:36:53,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:36:53,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:36:53,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:36:53,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:36:53,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:53" (1/1) ... [2024-11-13 22:36:53,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:36:53,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:36:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:36:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:36:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:36:54,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:36:54,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:36:54,369 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:36:54,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:36:54,427 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:36:54,427 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:36:54,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:54 BoogieIcfgContainer [2024-11-13 22:36:54,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:36:54,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:36:54,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:36:54,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:36:54,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:54" (1/1) ... [2024-11-13 22:36:54,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:36:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:36:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:36:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:36:54,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:54,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:36:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:54,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:36:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:54,873 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:36:54,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:36:54 ImpRootNode [2024-11-13 22:36:54,918 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:36:54,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:36:54,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:36:54,921 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:36:54,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:54" (3/4) ... [2024-11-13 22:36:54,924 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:36:54,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:36:54,927 INFO L158 Benchmark]: Toolchain (without parser) took 2619.95ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 40.0MB in the end (delta: 47.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-13 22:36:54,928 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:54,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.76ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 77.4MB in the end (delta: 9.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 22:36:54,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.13ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:54,929 INFO L158 Benchmark]: Boogie Preprocessor took 24.55ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:54,933 INFO L158 Benchmark]: RCFGBuilder took 558.09ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 59.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:54,933 INFO L158 Benchmark]: CodeCheck took 490.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 40.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:54,933 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 117.4MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:54,936 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, 19 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, 10 NumberOfCodeBlocks, 10 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.76ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 77.4MB in the end (delta: 9.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.13ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.55ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.09ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 59.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 490.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 40.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 117.4MB. Free memory is still 40.0MB. 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 22:36:54,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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_5ba99e75-0348-4bb3-9d73-ad454a96321e/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 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:36:58,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:36:58,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:36:58,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:36:58,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:36:58,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:36:58,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:36:58,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:36:58,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:36:58,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:36:58,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:36:58,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:36:58,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:58,262 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:36:58,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:58,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:58,263 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:36:58,263 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_5ba99e75-0348-4bb3-9d73-ad454a96321e/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 -> 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 [2024-11-13 22:36:58,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:36:58,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:36:58,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:36:58,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:36:58,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:36:58,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 22:37:01,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:37:01,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:37:01,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2024-11-13 22:37:01,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/696c10064/f53876b4c79e4625aa834e3924d472c9/FLAG9bd9c3990 [2024-11-13 22:37:01,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/data/696c10064/f53876b4c79e4625aa834e3924d472c9 [2024-11-13 22:37:01,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:37:01,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:37:01,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:01,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:37:01,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:37:01,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:01" (1/1) ... [2024-11-13 22:37:01,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dd2dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:01, skipping insertion in model container [2024-11-13 22:37:01,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:01" (1/1) ... [2024-11-13 22:37:01,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:37:02,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:02,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:37:02,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:03,168 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:37:03,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03 WrapperNode [2024-11-13 22:37:03,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:03,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:03,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:37:03,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:37:03,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,227 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-13 22:37:03,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:03,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:37:03,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:37:03,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:37:03,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:37:03,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:37:03,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:37:03,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:37:03,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:37:03,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:37:03,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:37:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:37:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:37:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:37:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:37:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:37:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:37:03,629 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:37:03,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:37:03,880 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:37:03,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:37:03,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:37:03,960 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:37:03,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:03 BoogieIcfgContainer [2024-11-13 22:37:03,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:37:03,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:37:03,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:37:03,974 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:37:03,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:03" (1/1) ... [2024-11-13 22:37:03,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:37:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:37:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:37:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:37:04,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:04,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:37:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:04,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:04,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:04,619 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:37:04,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:37:04,622 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:37:04,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:37:04 ImpRootNode [2024-11-13 22:37:04,664 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:37:04,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:37:04,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:37:04,667 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:37:04,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:03" (3/4) ... [2024-11-13 22:37:04,671 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:37:04,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:37:04,674 INFO L158 Benchmark]: Toolchain (without parser) took 2946.17ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 89.1MB in the beginning and 226.8MB in the end (delta: -137.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-13 22:37:04,675 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:04,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.49ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.7MB in the end (delta: 22.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 22:37:04,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.90ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:04,679 INFO L158 Benchmark]: Boogie Preprocessor took 56.50ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:04,680 INFO L158 Benchmark]: RCFGBuilder took 674.94ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 45.0MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:37:04,680 INFO L158 Benchmark]: CodeCheck took 701.36ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 45.0MB in the beginning and 226.9MB in the end (delta: -181.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:04,681 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 268.4MB. Free memory was 226.9MB in the beginning and 226.8MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:04,686 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.49ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.7MB in the end (delta: 22.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.90ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.50ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.94ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 45.0MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 701.36ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 45.0MB in the beginning and 226.9MB in the end (delta: -181.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 268.4MB. Free memory was 226.9MB in the beginning and 226.8MB in the end (delta: 35.5kB). 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 22:37:04,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba99e75-0348-4bb3-9d73-ad454a96321e/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