./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:09,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:09,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:06:09,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:06:09,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:06:09,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:09,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:09,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:09,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:09,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:09,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:09,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:09,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:06:09,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:09,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:09,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:09,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:09,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:09,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:09,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:09,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:09,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:09,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:09,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:09,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:09,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:09,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:09,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:09,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:09,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:09,790 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:06:09,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:06:09,791 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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c [2024-11-08 23:06:10,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:10,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:10,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:10,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:10,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:10,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i Unable to find full path for "g++" [2024-11-08 23:06:12,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:12,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:12,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i [2024-11-08 23:06:12,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/db107892f/622d81d6499b4e66a4c33382a59bb725/FLAGcf9b50211 [2024-11-08 23:06:12,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/db107892f/622d81d6499b4e66a4c33382a59bb725 [2024-11-08 23:06:12,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:12,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:12,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:12,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:12,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:12,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:12" (1/1) ... [2024-11-08 23:06:12,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad2113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:12, skipping insertion in model container [2024-11-08 23:06:12,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:12" (1/1) ... [2024-11-08 23:06:12,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:13,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:13,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:13,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:14,014 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:14,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14 WrapperNode [2024-11-08 23:06:14,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:14,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:14,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:14,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:14,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,099 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 23:06:14,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:14,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:14,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:14,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:14,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:14,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:14,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:14,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:14,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:14,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:14,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:14,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:14,421 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:14,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:14,587 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:14,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:14,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:14,685 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:14,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:14 BoogieIcfgContainer [2024-11-08 23:06:14,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:14,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:14,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:14,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:14,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:14" (1/1) ... [2024-11-08 23:06:14,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:06:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:06:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:06:14,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:14,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:14,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:15,021 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:06:15,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:15 ImpRootNode [2024-11-08 23:06:15,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:15,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:15,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:15,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:15,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:14" (3/4) ... [2024-11-08 23:06:15,066 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:15,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:15,068 INFO L158 Benchmark]: Toolchain (without parser) took 2402.70ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 89.2MB in the end (delta: 9.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 23:06:15,068 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:15,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.88ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 53.2MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:15,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.40ms. Allocated memory is still 138.4MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:06:15,072 INFO L158 Benchmark]: Boogie Preprocessor took 26.88ms. Allocated memory is still 138.4MB. Free memory was 50.2MB in the beginning and 48.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:15,073 INFO L158 Benchmark]: RCFGBuilder took 558.57ms. Allocated memory is still 138.4MB. Free memory was 48.6MB in the beginning and 104.5MB in the end (delta: -55.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 23:06:15,073 INFO L158 Benchmark]: CodeCheck took 369.77ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 89.7MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:06:15,074 INFO L158 Benchmark]: Witness Printer took 8.23ms. Allocated memory is still 138.4MB. Free memory was 89.7MB in the beginning and 89.2MB in the end (delta: 466.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:15,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_51b_badSink(data) [L1567] 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 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1348.88ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 53.2MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.40ms. Allocated memory is still 138.4MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.88ms. Allocated memory is still 138.4MB. Free memory was 50.2MB in the beginning and 48.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.57ms. Allocated memory is still 138.4MB. Free memory was 48.6MB in the beginning and 104.5MB in the end (delta: -55.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 369.77ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 89.7MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.23ms. Allocated memory is still 138.4MB. Free memory was 89.7MB in the beginning and 89.2MB in the end (delta: 466.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:06:15,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:17,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:17,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:06:17,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:17,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:17,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:17,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:17,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:17,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:17,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:17,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:17,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:17,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:17,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:17,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:06:17,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:06:17,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:17,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:17,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:06:17,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:17,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:17,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:17,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:17,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:17,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:17,671 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:17,672 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:06:17,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:17,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:17,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:17,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:17,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:17,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:06:17,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:17,674 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:06:17,674 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_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c [2024-11-08 23:06:18,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:18,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:18,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:18,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:18,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:18,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i Unable to find full path for "g++" [2024-11-08 23:06:20,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:20,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:20,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i [2024-11-08 23:06:20,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/e485d6563/5173fd4365904b51b2ecd66dec8fa947/FLAGcd02c510f [2024-11-08 23:06:20,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/data/e485d6563/5173fd4365904b51b2ecd66dec8fa947 [2024-11-08 23:06:20,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:20,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:20,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:20,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:20,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:20,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:20" (1/1) ... [2024-11-08 23:06:20,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443c0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:20, skipping insertion in model container [2024-11-08 23:06:20,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:20" (1/1) ... [2024-11-08 23:06:20,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:21,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:21,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:22,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:22,251 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:22,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22 WrapperNode [2024-11-08 23:06:22,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:22,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:22,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:22,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:22,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,313 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-08 23:06:22,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:22,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:22,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:22,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:22,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:22,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:22,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:22,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:22,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:22,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:22,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:22,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:22,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:22,750 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:22,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:22,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:22,828 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:22,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:22 BoogieIcfgContainer [2024-11-08 23:06:22,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:22,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:22,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:22,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:22,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:22" (1/1) ... [2024-11-08 23:06:22,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:06:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:06:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:06:22,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:22,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:22,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:22,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:06:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:23,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:23,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:23,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:06:23,310 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:06:23,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:23 ImpRootNode [2024-11-08 23:06:23,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:23,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:23,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:23,351 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:23,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:22" (3/4) ... [2024-11-08 23:06:23,358 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:23,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:23,360 INFO L158 Benchmark]: Toolchain (without parser) took 2573.53ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 31.5MB in the beginning and 70.1MB in the end (delta: -38.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,360 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:23,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.91ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 45.9MB in the beginning and 69.4MB in the end (delta: -23.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.17ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,362 INFO L158 Benchmark]: Boogie Preprocessor took 49.00ms. Allocated memory is still 113.2MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,363 INFO L158 Benchmark]: RCFGBuilder took 464.67ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 83.5MB in the end (delta: -18.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,363 INFO L158 Benchmark]: CodeCheck took 521.06ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 70.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:23,364 INFO L158 Benchmark]: Witness Printer took 7.80ms. Allocated memory is still 113.2MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:23,370 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_51b_badSink(data) [L1567] 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 0.23ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.91ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 45.9MB in the beginning and 69.4MB in the end (delta: -23.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.17ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.00ms. Allocated memory is still 113.2MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.67ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 83.5MB in the end (delta: -18.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 521.06ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 70.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.80ms. Allocated memory is still 113.2MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:06:23,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e62195d-97ac-4d93-a61c-6cb05f6d19ba/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