./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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 6654a978247a26f59a22fbd291a863dd37efbaeb657752df8958c9b0d5665029 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:14,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:14,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:15:14,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:14,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:15,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:15,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:15,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:15,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:15,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:15,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:15,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:15,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:15,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:15:15,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:15:15,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:15,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:15,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:15,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:15,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:15,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:15,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:15,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:15,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:15,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:15,017 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:15,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:15,017 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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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 -> 6654a978247a26f59a22fbd291a863dd37efbaeb657752df8958c9b0d5665029 [2024-11-13 23:15:15,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:15,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:15,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:15,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:15,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:15,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i Unable to find full path for "g++" [2024-11-13 23:15:17,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:17,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:17,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i [2024-11-13 23:15:17,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/59305697b/4f208f353e784513aa6c82ecd1bdcecf/FLAG84c8411f6 [2024-11-13 23:15:17,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/59305697b/4f208f353e784513aa6c82ecd1bdcecf [2024-11-13 23:15:17,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:17,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:17,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:17,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:17,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:17,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:17" (1/1) ... [2024-11-13 23:15:17,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d445cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:17, skipping insertion in model container [2024-11-13 23:15:17,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:17" (1/1) ... [2024-11-13 23:15:17,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:18,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:18,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:18,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:18,953 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:18,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18 WrapperNode [2024-11-13 23:15:18,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:18,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:18,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:18,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:18,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:18,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:18,996 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 23:15:18,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:18,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:18,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:18,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:19,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:19,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:19,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:19,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:19,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:18" (1/1) ... [2024-11-13 23:15:19,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:19,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:19,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:19,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:15:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:15:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:19,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:19,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:19,377 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:19,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:19,441 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:19,441 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:15:19,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:19 BoogieIcfgContainer [2024-11-13 23:15:19,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:19,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:19,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:19,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:19,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:19" (1/1) ... [2024-11-13 23:15:19,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:15:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:15:19,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:15:19,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:19,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:19,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:19,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:19,788 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:15:19,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:19 ImpRootNode [2024-11-13 23:15:19,822 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:15:19,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:15:19,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:15:19,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:15:19,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:19" (3/4) ... [2024-11-13 23:15:19,826 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:15:19,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:15:19,828 INFO L158 Benchmark]: Toolchain (without parser) took 2081.95ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 77.0MB in the end (delta: 38.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 23:15:19,828 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:19,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.24ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 108.1MB in the end (delta: 7.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 23:15:19,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:19,829 INFO L158 Benchmark]: Boogie Preprocessor took 20.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:19,830 INFO L158 Benchmark]: RCFGBuilder took 423.78ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.0MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:19,830 INFO L158 Benchmark]: CodeCheck took 380.17ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 77.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:15:19,831 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 586.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:19,833 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: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1555] 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 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.24ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 108.1MB in the end (delta: 7.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 423.78ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.0MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 380.17ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 77.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 586.1kB). 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 23:15:19,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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 6654a978247a26f59a22fbd291a863dd37efbaeb657752df8958c9b0d5665029 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:22,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:22,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:15:22,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:22,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:22,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:22,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:22,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:22,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:15:22,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:22,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:22,691 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:15:22,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:22,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:22,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:15:22,694 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_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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 -> 6654a978247a26f59a22fbd291a863dd37efbaeb657752df8958c9b0d5665029 [2024-11-13 23:15:23,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:23,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:23,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:23,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:23,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:23,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i Unable to find full path for "g++" [2024-11-13 23:15:24,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:25,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:25,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_61_bad.i [2024-11-13 23:15:25,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/66ca103fb/aea3e4d5e0a249fdbfe64e929e90434e/FLAGaf1b9c28e [2024-11-13 23:15:25,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/data/66ca103fb/aea3e4d5e0a249fdbfe64e929e90434e [2024-11-13 23:15:25,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:25,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:25,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:25,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:25,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:25,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d930a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25, skipping insertion in model container [2024-11-13 23:15:25,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:26,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:26,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:26,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:26,778 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:26,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26 WrapperNode [2024-11-13 23:15:26,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:26,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:26,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:26,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:26,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,825 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 23:15:26,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:26,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:26,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:26,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:26,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:26,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:26,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:26,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:26,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:26,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:26,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:15:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:15:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:27,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:27,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:27,211 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:27,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:27,256 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:27,256 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:15:27,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:27 BoogieIcfgContainer [2024-11-13 23:15:27,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:27,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:27,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:27,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:27,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:27" (1/1) ... [2024-11-13 23:15:27,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:15:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:15:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:15:27,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:27,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:27,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:27,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:15:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:27,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:27,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:27,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:15:27,675 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:15:27,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:27 ImpRootNode [2024-11-13 23:15:27,716 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:15:27,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:15:27,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:15:27,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:15:27,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:27" (3/4) ... [2024-11-13 23:15:27,723 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:15:27,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:15:27,725 INFO L158 Benchmark]: Toolchain (without parser) took 2261.84ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 48.8MB in the end (delta: 43.6MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,726 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.93ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.5MB in the end (delta: 10.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.85ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,727 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,728 INFO L158 Benchmark]: RCFGBuilder took 403.54ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 61.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,728 INFO L158 Benchmark]: CodeCheck took 458.71ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 49.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,729 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 117.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_sub_61b_badSource(data) [L1555] 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.93ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.5MB in the end (delta: 10.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.85ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.54ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 61.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 458.71ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 49.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 117.4MB. Free memory is still 48.8MB. 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 23:15:27,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0245ad-2aae-4f80-8a51-6969e0239e9a/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