./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_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_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/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_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/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_796178e9-fc81-4b8d-9a1a-9332de4f1266/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:26:13,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:26:13,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:26:13,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:26:13,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:26:13,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:26:13,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:26:13,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:26:13,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:26:13,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:26:13,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:26:13,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:26:13,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:26:13,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:26:13,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:26:13,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:26:13,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:26:13,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:26:13,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:26:13,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:26:13,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:13,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:26:13,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:26:13,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:26:13,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:26:13,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:26:13,882 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_796178e9-fc81-4b8d-9a1a-9332de4f1266/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 -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-13 21:26:14,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:26:14,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:26:14,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:26:14,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:26:14,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:26:14,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-13 21:26:16,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:26:16,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:26:16,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-13 21:26:16,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/c243b4784/102a8f79d2e0498bb6867892e2f034de/FLAG0e16901cf [2024-11-13 21:26:16,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/c243b4784/102a8f79d2e0498bb6867892e2f034de [2024-11-13 21:26:16,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:26:16,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:26:16,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:16,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:26:16,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:26:16,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:16" (1/1) ... [2024-11-13 21:26:16,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299482ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:16, skipping insertion in model container [2024-11-13 21:26:16,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:16" (1/1) ... [2024-11-13 21:26:16,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:26:17,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:17,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:26:17,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:18,112 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:26:18,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18 WrapperNode [2024-11-13 21:26:18,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:18,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:18,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:26:18,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:26:18,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,171 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 21:26:18,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:18,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:26:18,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:26:18,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:26:18,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:26:18,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:26:18,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:26:18,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:26:18,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:18,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:26:18,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:26:18,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:26:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:26:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:26:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:26:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:26:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:26:18,424 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:26:18,426 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:26:18,524 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:26:18,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:26:18,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:26:18,563 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:26:18,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:18 BoogieIcfgContainer [2024-11-13 21:26:18,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:26:18,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:26:18,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:26:18,574 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:26:18,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:18" (1/1) ... [2024-11-13 21:26:18,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:26:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:26:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:26:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:26:18,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:18,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:18,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:26:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:18,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:26:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:18,883 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:26:18,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:26:18 ImpRootNode [2024-11-13 21:26:18,918 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:26:18,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:26:18,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:26:18,919 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:26:18,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:18" (3/4) ... [2024-11-13 21:26:18,925 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:26:18,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:26:18,931 INFO L158 Benchmark]: Toolchain (without parser) took 2298.52ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 77.0MB in the end (delta: 38.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 21:26:18,931 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:18,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.70ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.1MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:26:18,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.87ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:18,932 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:18,933 INFO L158 Benchmark]: RCFGBuilder took 360.79ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.9MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:18,933 INFO L158 Benchmark]: CodeCheck took 353.93ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 77.7MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:26:18,933 INFO L158 Benchmark]: Witness Printer took 7.07ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:18,938 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --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 1.10ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.70ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.1MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.87ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 360.79ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.9MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 353.93ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 77.7MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.07ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:26:18,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/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_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/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_796178e9-fc81-4b8d-9a1a-9332de4f1266/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:26:21,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:26:21,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:26:21,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:26:21,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:26:21,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:26:21,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:26:21,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:26:21,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:26:21,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:26:21,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:26:21,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:26:21,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:21,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:26:21,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:26:21,860 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:26:21,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:21,861 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:26:21,861 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_796178e9-fc81-4b8d-9a1a-9332de4f1266/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 -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-13 21:26:22,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:26:22,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:26:22,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:26:22,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:26:22,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:26:22,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-13 21:26:24,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:26:24,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:26:24,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-13 21:26:24,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/f51099559/1f41d88eb1cd4d23b9679d74abbcb65d/FLAGf1753dc54 [2024-11-13 21:26:24,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/data/f51099559/1f41d88eb1cd4d23b9679d74abbcb65d [2024-11-13 21:26:24,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:26:24,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:26:24,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:24,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:26:24,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:26:24,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:24" (1/1) ... [2024-11-13 21:26:24,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59005532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:24, skipping insertion in model container [2024-11-13 21:26:24,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:24" (1/1) ... [2024-11-13 21:26:24,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:26:26,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:26,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:26:26,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:26,400 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:26:26,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26 WrapperNode [2024-11-13 21:26:26,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:26,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:26,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:26:26,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:26:26,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,456 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 21:26:26,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:26,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:26:26,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:26:26,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:26:26,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:26:26,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:26:26,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:26:26,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:26:26,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:26:26,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:26:26,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:26:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:26:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:26:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:26:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:26:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:26:26,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:26:26,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:26:26,833 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:26:26,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:26:26,887 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:26:26,888 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:26:26,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:26 BoogieIcfgContainer [2024-11-13 21:26:26,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:26:26,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:26:26,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:26:26,899 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:26:26,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:26" (1/1) ... [2024-11-13 21:26:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:26:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:26:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:26:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:26:26,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:26,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:26,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:26,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:26,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:26:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:27,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:26:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:27,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:26:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:27,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:26:27,260 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:26:27,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:26:27 ImpRootNode [2024-11-13 21:26:27,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:26:27,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:26:27,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:26:27,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:26:27,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:26" (3/4) ... [2024-11-13 21:26:27,288 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:26:27,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:26:27,313 INFO L158 Benchmark]: Toolchain (without parser) took 2462.06ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 47.5MB in the end (delta: 42.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 21:26:27,313 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:27,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1572.11ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 78.7MB in the end (delta: 11.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:26:27,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.58ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:27,314 INFO L158 Benchmark]: Boogie Preprocessor took 28.28ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:27,314 INFO L158 Benchmark]: RCFGBuilder took 401.70ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:26:27,315 INFO L158 Benchmark]: CodeCheck took 393.57ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 47.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:27,315 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:27,319 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --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 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1572.11ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 78.7MB in the end (delta: 11.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.58ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.28ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.70ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 393.57ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 47.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory is still 47.5MB. 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 21:26:27,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_796178e9-fc81-4b8d-9a1a-9332de4f1266/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