./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_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_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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_3392dfc6-4505-4fbe-bcea-8741e4509372/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 a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:54,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:54,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:13:54,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:13:54,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:13:54,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:54,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:54,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:54,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:54,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:54,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:54,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:54,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:54,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:54,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:54,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:54,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:54,878 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:13:54,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:13:54,879 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_3392dfc6-4505-4fbe-bcea-8741e4509372/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 -> a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 [2024-11-13 22:13:55,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:55,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:55,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:55,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:55,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:55,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i Unable to find full path for "g++" [2024-11-13 22:13:57,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:57,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:57,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-11-13 22:13:57,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/7a1e5f132/125012c98ad941eb9beecfc169baa3b3/FLAG4398fe0e4 [2024-11-13 22:13:57,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/7a1e5f132/125012c98ad941eb9beecfc169baa3b3 [2024-11-13 22:13:57,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:57,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:57,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:57,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:57,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:57,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:57" (1/1) ... [2024-11-13 22:13:57,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0fe130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:57, skipping insertion in model container [2024-11-13 22:13:57,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:57" (1/1) ... [2024-11-13 22:13:57,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:58,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:58,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:58,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:59,085 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:59,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59 WrapperNode [2024-11-13 22:13:59,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:59,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:59,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:59,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:59,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,136 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-13 22:13:59,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:59,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:59,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:59,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:59,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:59,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:59,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:59,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:59,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:59,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:59,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:13:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:13:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:13:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:13:59,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:59,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:59,581 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:59,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:59,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:59,641 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:13:59,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59 BoogieIcfgContainer [2024-11-13 22:13:59,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:59,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:59,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:59,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:59,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:13:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:13:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:13:59,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:59,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:13:59,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:13:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,145 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:14:00,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:14:00 ImpRootNode [2024-11-13 22:14:00,171 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:14:00,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:14:00,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:14:00,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:14:00,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59" (3/4) ... [2024-11-13 22:14:00,176 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:14:00,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:14:00,177 INFO L158 Benchmark]: Toolchain (without parser) took 2353.80ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 84.0MB in the end (delta: 29.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,178 INFO L158 Benchmark]: CDTParser took 2.57ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1261.41ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.1MB in the end (delta: 58.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.85ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,179 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 51.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,180 INFO L158 Benchmark]: RCFGBuilder took 476.28ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 105.6MB in the end (delta: -54.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,180 INFO L158 Benchmark]: CodeCheck took 529.81ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 84.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,181 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,183 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, 18 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582, overapproximation of fgets at line 1560. 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); [L1582] 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) [L1582] 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] [L1583] CALL CWE191_Integer_Underflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={28883:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1261.41ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.1MB in the end (delta: 58.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.85ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 51.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.28ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 105.6MB in the end (delta: -54.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 529.81ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 84.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. 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 22:14:00,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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_3392dfc6-4505-4fbe-bcea-8741e4509372/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 a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:02,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:03,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:14:03,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:03,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:14:03,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:14:03,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:03,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:03,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:03,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:14:03,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:14:03,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:14:03,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:03,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:03,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:03,162 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:14:03,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:03,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:03,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:14:03,164 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:14:03,164 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:03,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:14:03,164 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_3392dfc6-4505-4fbe-bcea-8741e4509372/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 -> a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 [2024-11-13 22:14:03,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:03,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:03,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:03,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:03,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:03,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i Unable to find full path for "g++" [2024-11-13 22:14:05,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:05,880 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:05,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-11-13 22:14:05,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/b41334be8/c9b19ddc370a4b778c79aa49a9334c41/FLAGebd98f144 [2024-11-13 22:14:05,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/data/b41334be8/c9b19ddc370a4b778c79aa49a9334c41 [2024-11-13 22:14:05,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:05,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:05,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:05,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:05,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:05,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:05" (1/1) ... [2024-11-13 22:14:05,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6756482a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:05, skipping insertion in model container [2024-11-13 22:14:05,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:05" (1/1) ... [2024-11-13 22:14:05,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:07,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:07,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:14:07,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:07,434 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:14:07,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07 WrapperNode [2024-11-13 22:14:07,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:07,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:07,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:14:07,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:14:07,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,491 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 22:14:07,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:07,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:14:07,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:14:07,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:14:07,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:14:07,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:14:07,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:14:07,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:14:07,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:14:07,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:14:07,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:14:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:14:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:14:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:14:07,741 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:14:07,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:14:07,934 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:14:07,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:14:08,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:14:08,005 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:14:08,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08 BoogieIcfgContainer [2024-11-13 22:14:08,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:14:08,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:14:08,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:14:08,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:14:08,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08" (1/1) ... [2024-11-13 22:14:08,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:14:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:14:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:14:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:14:08,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:08,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:08,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:08,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:08,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:14:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:14:08,694 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:14:08,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:14:08 ImpRootNode [2024-11-13 22:14:08,732 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:14:08,733 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:14:08,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:14:08,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:14:08,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08" (3/4) ... [2024-11-13 22:14:08,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:14:08,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:14:08,741 INFO L158 Benchmark]: Toolchain (without parser) took 2812.94ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.3MB in the end (delta: 13.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,741 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1507.80ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.4MB in the end (delta: 12.5MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.64ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,742 INFO L158 Benchmark]: Boogie Preprocessor took 43.18ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,743 INFO L158 Benchmark]: RCFGBuilder took 470.13ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 56.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,743 INFO L158 Benchmark]: CodeCheck took 726.01ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 78.9MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,743 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,748 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, 18 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582, overapproximation of fgets at line 1560. 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); [L1582] 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) [L1582] 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] [L1583] CALL CWE191_Integer_Underflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1507.80ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.4MB in the end (delta: 12.5MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.64ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.18ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.13ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 56.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 726.01ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 78.9MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 29.6kB). 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 22:14:08,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3392dfc6-4505-4fbe-bcea-8741e4509372/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