./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:36,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:36,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:36,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:36,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:36,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:36,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:36,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:36,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:36,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:36,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:36,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:36,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:36,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:36,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:36,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:36,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:36,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:36,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:36,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:36,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:36,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:36,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:36,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:36,767 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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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 -> 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a [2024-11-13 20:17:37,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:37,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:37,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:37,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:37,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:37,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 20:17:39,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:39,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:39,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2024-11-13 20:17:39,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/cd1e5865d/8eed7c2bea2b4860a1c1be74c8c0c7c3/FLAG01c686beb [2024-11-13 20:17:39,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/cd1e5865d/8eed7c2bea2b4860a1c1be74c8c0c7c3 [2024-11-13 20:17:39,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:39,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:39,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:39,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:39,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:39,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179f11e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39, skipping insertion in model container [2024-11-13 20:17:39,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:40,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:40,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:41,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:41,165 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:41,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41 WrapperNode [2024-11-13 20:17:41,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:41,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:41,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:41,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:41,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,214 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 20:17:41,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:41,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:41,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:41,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:41,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:41,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:41,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:41,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:41,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:41,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:41,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:41,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:41,476 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:41,479 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:41,613 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:41,613 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:41,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:41,658 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:41,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:41 BoogieIcfgContainer [2024-11-13 20:17:41,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:41,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:41,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:41,670 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:41,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:41,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:41,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:41,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:42,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:42,040 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:42,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:42 ImpRootNode [2024-11-13 20:17:42,065 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:42,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:42,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:42,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:42,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:41" (3/4) ... [2024-11-13 20:17:42,070 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:42,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:42,072 INFO L158 Benchmark]: Toolchain (without parser) took 2296.76ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 76.2MB in the end (delta: 39.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:42,073 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:42,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1390.48ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.9MB in the end (delta: 7.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-13 20:17:42,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.72ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 105.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:42,074 INFO L158 Benchmark]: Boogie Preprocessor took 19.93ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.6MB in the end (delta: 598.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:42,075 INFO L158 Benchmark]: RCFGBuilder took 422.58ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:42,075 INFO L158 Benchmark]: CodeCheck took 406.46ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 76.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:42,076 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 76.2MB in the end (delta: 600.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:42,078 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1390.48ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.9MB in the end (delta: 7.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.72ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 105.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.93ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.6MB in the end (delta: 598.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.58ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 406.46ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 76.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 76.2MB in the end (delta: 600.8kB). 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 20:17:42,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:45,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:45,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:45,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:45,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:45,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:45,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:45,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:45,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:45,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:45,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:45,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:45,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:45,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:45,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:45,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:45,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:45,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:45,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:45,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:45,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:45,258 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:45,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:45,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:45,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:45,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:45,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:45,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:45,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:45,261 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:45,261 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_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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 -> 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a [2024-11-13 20:17:45,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:45,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:45,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:45,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:45,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:45,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 20:17:47,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:48,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:48,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2024-11-13 20:17:48,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/2c7f8a6fd/8627628b1b564d308d1e50080ddbbc5e/FLAGdf35855bb [2024-11-13 20:17:48,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/data/2c7f8a6fd/8627628b1b564d308d1e50080ddbbc5e [2024-11-13 20:17:48,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:48,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:48,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:48,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:48,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:48,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:48" (1/1) ... [2024-11-13 20:17:48,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c48f27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:48, skipping insertion in model container [2024-11-13 20:17:48,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:48" (1/1) ... [2024-11-13 20:17:48,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:49,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:49,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:49,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:49,505 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:49,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49 WrapperNode [2024-11-13 20:17:49,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:49,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:49,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:49,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:49,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,576 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 20:17:49,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:49,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:49,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:49,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:49,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:49,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:49,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:49,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:49,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:49" (1/1) ... [2024-11-13 20:17:49,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:49,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:49,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:49,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:49,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:49,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:50,061 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:50,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:50,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:50,147 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:50,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:50 BoogieIcfgContainer [2024-11-13 20:17:50,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:50,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:50,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:50,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:50,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:50" (1/1) ... [2024-11-13 20:17:50,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:50,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:50,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:50,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:50,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:50,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:50,551 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:50,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:50 ImpRootNode [2024-11-13 20:17:50,587 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:50,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:50,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:50,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:50,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:50" (3/4) ... [2024-11-13 20:17:50,593 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:50,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:50,600 INFO L158 Benchmark]: Toolchain (without parser) took 2497.79ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 42.1MB in the end (delta: 14.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,601 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.07ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.21ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,602 INFO L158 Benchmark]: Boogie Preprocessor took 39.04ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,602 INFO L158 Benchmark]: RCFGBuilder took 531.16ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 31.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,603 INFO L158 Benchmark]: CodeCheck took 438.86ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 42.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,603 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.1MB in the end (delta: 424.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,609 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.07ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.21ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.04ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.16ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 31.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 438.86ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 42.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.1MB in the end (delta: 424.7kB). 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 20:17:50,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034ee89a-e0dd-48bc-a76a-5229b73f25ce/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