./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_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_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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_79394547-8b54-4bf1-9967-77c271eba849/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:22,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:22,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:42:22,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:42:22,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:42:22,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:22,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:22,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:22,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:22,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:22,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:22,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:22,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:42:22,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:22,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:42:22,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:22,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:22,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:22,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:22,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:22,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:22,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:22,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:22,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:22,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:22,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:42:22,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:42:22,244 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_79394547-8b54-4bf1-9967-77c271eba849/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 -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-11-13 22:42:22,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:22,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:22,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:22,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:22,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:22,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 22:42:24,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:24,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:24,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-11-13 22:42:24,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/f98b7b26d/ea98f6e71bbe4a6496ff30141a84da01/FLAG776f8924c [2024-11-13 22:42:24,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/f98b7b26d/ea98f6e71bbe4a6496ff30141a84da01 [2024-11-13 22:42:24,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:24,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:24,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:24,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:24,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:24,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:24" (1/1) ... [2024-11-13 22:42:24,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f58cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:24, skipping insertion in model container [2024-11-13 22:42:24,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:24" (1/1) ... [2024-11-13 22:42:25,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:26,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:26,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:26,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:26,367 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:26,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26 WrapperNode [2024-11-13 22:42:26,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:26,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:26,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:26,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:26,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,410 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 22:42:26,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:26,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:26,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:26,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:26,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:26,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:26,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:26,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:26,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:26,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:26,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:42:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:42:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:26,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:26,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:26,768 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:26,769 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:26,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:26,822 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:42:26,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26 BoogieIcfgContainer [2024-11-13 22:42:26,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:26,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:26,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:26,833 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:26,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:42:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:42:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:42:26,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:27,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:27,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:27,170 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:42:27,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:42:27 ImpRootNode [2024-11-13 22:42:27,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:42:27,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:42:27,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:42:27,209 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:42:27,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26" (3/4) ... [2024-11-13 22:42:27,212 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:42:27,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:42:27,214 INFO L158 Benchmark]: Toolchain (without parser) took 2238.10ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 49.9MB in the end (delta: 39.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 22:42:27,216 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:27,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.35ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.7MB in the end (delta: 8.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 22:42:27,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.89ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:27,218 INFO L158 Benchmark]: Boogie Preprocessor took 21.14ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:27,218 INFO L158 Benchmark]: RCFGBuilder took 389.99ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 64.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:27,221 INFO L158 Benchmark]: CodeCheck took 383.37ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 50.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:27,221 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 540.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:27,226 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 6 NumberOfCodeBlocks, 6 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.35ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.7MB in the end (delta: 8.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.89ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.14ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.99ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 64.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 383.37ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 50.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 540.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:42:27,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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_79394547-8b54-4bf1-9967-77c271eba849/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:29,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:30,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:42:30,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:30,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:30,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:30,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:30,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:30,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:30,155 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:30,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:30,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:30,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:30,157 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:30,157 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:30,157 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:42:30,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:30,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:30,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:30,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:30,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:30,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:42:30,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:30,158 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:42:30,158 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_79394547-8b54-4bf1-9967-77c271eba849/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 -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-11-13 22:42:30,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:30,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:30,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:30,478 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:30,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:30,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 22:42:32,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:32,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:32,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-11-13 22:42:33,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/79c6fd7bf/555473f30c9d409ea8a071607b8b7e24/FLAGb45ffb172 [2024-11-13 22:42:33,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/data/79c6fd7bf/555473f30c9d409ea8a071607b8b7e24 [2024-11-13 22:42:33,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:33,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:33,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:33,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:33,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:33,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:33" (1/1) ... [2024-11-13 22:42:33,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d930a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:33, skipping insertion in model container [2024-11-13 22:42:33,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:33" (1/1) ... [2024-11-13 22:42:33,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:34,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:34,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:34,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:34,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:34,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34 WrapperNode [2024-11-13 22:42:34,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:34,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:34,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:34,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:34,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,969 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:42:34,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:34,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:34,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:34,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:34,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:34,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:34,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:34,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:34,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:35,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:34" (1/1) ... [2024-11-13 22:42:35,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:35,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:35,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:42:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:42:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:35,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:35,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:35,375 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:35,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:35,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:35,450 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:42:35,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:35 BoogieIcfgContainer [2024-11-13 22:42:35,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:35,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:35,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:35,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:35,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:35" (1/1) ... [2024-11-13 22:42:35,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:42:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:42:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:42:35,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:35,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:35,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:35,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:35,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:42:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:35,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:35,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:35,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:42:35,896 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:42:35,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:42:35 ImpRootNode [2024-11-13 22:42:35,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:42:35,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:42:35,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:42:35,932 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:42:35,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:35" (3/4) ... [2024-11-13 22:42:35,935 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:42:35,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:42:35,939 INFO L158 Benchmark]: Toolchain (without parser) took 2424.23ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 48.2MB in the end (delta: 43.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 22:42:35,940 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:35,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.94ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.2MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:35,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:35,941 INFO L158 Benchmark]: Boogie Preprocessor took 28.69ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:35,943 INFO L158 Benchmark]: RCFGBuilder took 451.46ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:35,944 INFO L158 Benchmark]: CodeCheck took 478.58ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 48.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:35,944 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:35,946 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.94ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.2MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.69ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 451.46ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 478.58ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 48.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. 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 22:42:35,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79394547-8b54-4bf1-9967-77c271eba849/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