./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk --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 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:14:10,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:14:10,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:14:10,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:14:10,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:14:10,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:14:10,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:14:10,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:14:10,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:14:10,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:14:10,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:14:10,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:14:10,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:14:10,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:14:10,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:14:10,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:14:10,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:14:10,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:14:10,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:14:10,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:14:10,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:14:10,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:14:10,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:14:10,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:14:10,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:14:10,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:14:10,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:10,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:14:10,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:14:10,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:14:10,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:14:10,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:14:10,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 [2024-11-09 00:14:11,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:14:11,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:14:11,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:14:11,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:14:11,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:14:11,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i Unable to find full path for "g++" [2024-11-09 00:14:13,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:14:13,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:14:13,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2024-11-09 00:14:13,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/9900cc265/ccabbff2fecb404f9d779658515f91ad/FLAG1dd7f0e54 [2024-11-09 00:14:13,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/9900cc265/ccabbff2fecb404f9d779658515f91ad [2024-11-09 00:14:13,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:14:13,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:14:13,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:13,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:14:13,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:14:13,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:13" (1/1) ... [2024-11-09 00:14:13,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc2f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:13, skipping insertion in model container [2024-11-09 00:14:13,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:13" (1/1) ... [2024-11-09 00:14:14,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:14:15,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:15,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:14:15,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:15,486 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:14:15,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15 WrapperNode [2024-11-09 00:14:15,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:15,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:15,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:14:15,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:14:15,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,586 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 53 [2024-11-09 00:14:15,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:15,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:14:15,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:14:15,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:14:15,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:14:15,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:14:15,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:14:15,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:14:15,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:15" (1/1) ... [2024-11-09 00:14:15,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:14:15,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:14:15,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:14:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:14:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:14:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:14:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:14:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:14:15,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:14:15,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:14:16,086 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:14:16,086 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:14:16,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:14:16,183 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:14:16,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:16 BoogieIcfgContainer [2024-11-09 00:14:16,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:14:16,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:14:16,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:14:16,199 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:14:16,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:16" (1/1) ... [2024-11-09 00:14:16,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:14:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:14:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:14:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:14:16,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:16,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:16,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:16,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:16,699 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:14:16,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:14:16 ImpRootNode [2024-11-09 00:14:16,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:14:16,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:14:16,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:14:16,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:14:16,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:16" (3/4) ... [2024-11-09 00:14:16,753 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:14:16,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:14:16,755 INFO L158 Benchmark]: Toolchain (without parser) took 2824.90ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 110.0MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:16,756 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 121.6MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:16,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.97ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 73.4MB in the end (delta: 28.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-09 00:14:16,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.46ms. Allocated memory is still 155.2MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:14:16,761 INFO L158 Benchmark]: Boogie Preprocessor took 50.00ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 69.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:16,762 INFO L158 Benchmark]: RCFGBuilder took 546.41ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 54.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:14:16,763 INFO L158 Benchmark]: CodeCheck took 558.00ms. Allocated memory is still 155.2MB. Free memory was 54.5MB in the beginning and 110.0MB in the end (delta: -55.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:16,764 INFO L158 Benchmark]: Witness Printer took 9.31ms. Allocated memory is still 155.2MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:16,767 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1582]: 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_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_54e_badSink(data) [L1582] --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 0.46ms. Allocated memory is still 121.6MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.97ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 73.4MB in the end (delta: 28.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.46ms. Allocated memory is still 155.2MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.00ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 69.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.41ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 54.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 558.00ms. Allocated memory is still 155.2MB. Free memory was 54.5MB in the beginning and 110.0MB in the end (delta: -55.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.31ms. Allocated memory is still 155.2MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:14:16,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk --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 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:14:19,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:14:20,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:14:20,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:14:20,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:14:20,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:14:20,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:14:20,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:14:20,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:14:20,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:14:20,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:14:20,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:14:20,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:14:20,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:14:20,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:14:20,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:14:20,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:14:20,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:14:20,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:14:20,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:14:20,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:14:20,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:14:20,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:14:20,076 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:14:20,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:14:20,076 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:20,077 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:14:20,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:14:20,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:20,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:14:20,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:14:20,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:14:20,080 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:14:20,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:20,082 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:14:20,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 [2024-11-09 00:14:20,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:14:20,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:14:20,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:14:20,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:14:20,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:14:20,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i Unable to find full path for "g++" [2024-11-09 00:14:23,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:14:23,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:14:23,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2024-11-09 00:14:23,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/71b8aa116/ac3151bf13034a5f9a1b5dcb64112e76/FLAG02314d063 [2024-11-09 00:14:24,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/data/71b8aa116/ac3151bf13034a5f9a1b5dcb64112e76 [2024-11-09 00:14:24,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:14:24,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:14:24,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:24,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:14:24,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:14:24,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:24" (1/1) ... [2024-11-09 00:14:24,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748d1ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:24, skipping insertion in model container [2024-11-09 00:14:24,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:24" (1/1) ... [2024-11-09 00:14:24,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:14:26,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:26,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:14:26,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:26,353 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:14:26,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26 WrapperNode [2024-11-09 00:14:26,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:26,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:26,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:14:26,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:14:26,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,425 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 52 [2024-11-09 00:14:26,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:26,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:14:26,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:14:26,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:14:26,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:14:26,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:14:26,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:14:26,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:14:26,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:26,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:14:26,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:14:26,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:14:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:14:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:14:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:14:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:14:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:14:26,747 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:14:26,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:14:26,905 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:14:26,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:14:26,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:14:26,964 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:14:26,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:26 BoogieIcfgContainer [2024-11-09 00:14:26,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:14:26,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:14:26,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:14:26,976 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:14:26,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:26" (1/1) ... [2024-11-09 00:14:26,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:14:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:14:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:14:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:14:27,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:27,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:27,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:27,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:14:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:27,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:27,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:27,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:27,420 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:14:27,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:14:27 ImpRootNode [2024-11-09 00:14:27,454 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:14:27,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:14:27,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:14:27,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:14:27,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:26" (3/4) ... [2024-11-09 00:14:27,460 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:14:27,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:14:27,462 INFO L158 Benchmark]: Toolchain (without parser) took 3146.09ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 40.7MB in the beginning and 68.3MB in the end (delta: -27.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,463 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 100.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2035.96ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 45.2MB in the end (delta: -4.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.06ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 42.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,466 INFO L158 Benchmark]: Boogie Preprocessor took 49.02ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,466 INFO L158 Benchmark]: RCFGBuilder took 488.24ms. Allocated memory is still 88.1MB. Free memory was 40.0MB in the beginning and 43.6MB in the end (delta: -3.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,468 INFO L158 Benchmark]: CodeCheck took 488.91ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 69.0MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:27,468 INFO L158 Benchmark]: Witness Printer took 7.14ms. Allocated memory is still 107.0MB. Free memory was 69.0MB in the beginning and 68.3MB in the end (delta: 740.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:27,474 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: 1582]: 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_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_54e_badSink(data) [L1582] --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 0.46ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 100.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2035.96ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 45.2MB in the end (delta: -4.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.06ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 42.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.02ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.24ms. Allocated memory is still 88.1MB. Free memory was 40.0MB in the beginning and 43.6MB in the end (delta: -3.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * CodeCheck took 488.91ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 69.0MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.14ms. Allocated memory is still 107.0MB. Free memory was 69.0MB in the beginning and 68.3MB in the end (delta: 740.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:14:27,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e564012e-8f3a-4049-8728-2ee0c4e382d8/bin/ukojak-verify-ImItNfHLgk/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