./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:57:51,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:51,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:57:51,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:57:51,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:57:51,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:51,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:51,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:51,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:51,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:51,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:51,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:51,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:57:51,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:51,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:51,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:51,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:51,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:51,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:57:51,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:57:51,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:51,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:51,775 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:51,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:51,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:51,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:51,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:51,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:51,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:51,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:51,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:57:51,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:57:51,778 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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2024-11-08 22:57:52,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:52,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:52,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:52,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:52,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:52,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:57:54,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:57:54,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:57:54,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2024-11-08 22:57:54,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/685454e80/79926d716f684b23b6e9913045d977d5/FLAG15e596c63 [2024-11-08 22:57:54,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/685454e80/79926d716f684b23b6e9913045d977d5 [2024-11-08 22:57:54,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:57:54,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:57:54,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:54,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:57:54,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:57:54,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:54" (1/1) ... [2024-11-08 22:57:54,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a29d572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:54, skipping insertion in model container [2024-11-08 22:57:54,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:54" (1/1) ... [2024-11-08 22:57:54,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:57:55,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:55,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:57:55,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:55,972 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:57:55,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55 WrapperNode [2024-11-08 22:57:55,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:55,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:55,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:57:55,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:57:55,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,048 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-08 22:57:56,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:56,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:57:56,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:57:56,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:57:56,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:57:56,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:57:56,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:57:56,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:57:56,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:55" (1/1) ... [2024-11-08 22:57:56,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:57:56,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:57:56,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:57:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:57:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:57:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:57:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:57:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:57:56,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:57:56,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:57:56,469 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:57:56,469 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:57:56,518 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:57:56,518 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:57:56,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:56 BoogieIcfgContainer [2024-11-08 22:57:56,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:57:56,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:57:56,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:57:56,536 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:57:56,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:56" (1/1) ... [2024-11-08 22:57:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:57:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 22:57:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 22:57:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:57:56,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:56,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:56,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:56,978 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:57:57,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:57:57 ImpRootNode [2024-11-08 22:57:57,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:57:57,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:57:57,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:57:57,023 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:57:57,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:56" (3/4) ... [2024-11-08 22:57:57,027 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:57:57,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:57:57,030 INFO L158 Benchmark]: Toolchain (without parser) took 2375.44ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 62.3MB in the end (delta: 60.6MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,031 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:57,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.85ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 97.1MB in the end (delta: 25.9MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.64ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 94.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,035 INFO L158 Benchmark]: Boogie Preprocessor took 34.73ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 92.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,036 INFO L158 Benchmark]: RCFGBuilder took 434.24ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,037 INFO L158 Benchmark]: CodeCheck took 499.93ms. Allocated memory is still 163.6MB. Free memory was 78.2MB in the beginning and 62.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:57:57,038 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 163.6MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:57,041 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.85ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 97.1MB in the end (delta: 25.9MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.64ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 94.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.73ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 92.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.24ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 499.93ms. Allocated memory is still 163.6MB. Free memory was 78.2MB in the beginning and 62.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 163.6MB. Free memory is still 62.3MB. 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 22:57:57,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:57:59,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:59,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:57:59,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:59,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:59,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:59,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:59,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:59,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:59,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:59,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:59,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:59,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:59,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:59,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:57:59,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:57:59,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:59,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:57:59,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:57:59,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:57:59,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:59,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:59,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:59,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:59,557 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:59,558 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:59,558 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:57:59,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:59,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:59,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:59,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:59,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:59,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:57:59,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:59,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:57:59,562 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_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2024-11-08 22:57:59,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:59,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:59,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:59,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:59,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:59,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:58:02,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:02,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:02,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2024-11-08 22:58:02,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/2f6e6d721/7708ab1483e94bc88704638205f64c8c/FLAG8a0737efc [2024-11-08 22:58:02,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/data/2f6e6d721/7708ab1483e94bc88704638205f64c8c [2024-11-08 22:58:02,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:02,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:02,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:02,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:02,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:02,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:02" (1/1) ... [2024-11-08 22:58:02,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5448eb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:02, skipping insertion in model container [2024-11-08 22:58:02,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:02" (1/1) ... [2024-11-08 22:58:02,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:03,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:03,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:03,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:04,086 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:04,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04 WrapperNode [2024-11-08 22:58:04,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:04,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:04,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:04,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,148 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-08 22:58:04,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:04,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:04,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:04,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:04,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:04,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:04,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:04,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:58:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:58:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:04,451 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:04,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:04,575 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:04,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:04,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:04,655 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:58:04,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:04 BoogieIcfgContainer [2024-11-08 22:58:04,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:04,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:04,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:04,667 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:04,667 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 22:58:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 22:58:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:58:04,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:04,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:04,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:04,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:58:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:04,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:58:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:05,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:58:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:05,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:05,114 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:58:05,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:58:05 ImpRootNode [2024-11-08 22:58:05,152 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:58:05,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:58:05,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:58:05,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:58:05,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:04" (3/4) ... [2024-11-08 22:58:05,159 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:58:05,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:58:05,165 INFO L158 Benchmark]: Toolchain (without parser) took 2646.49ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 41.8MB in the beginning and 50.8MB in the end (delta: -9.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 22:58:05,165 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:05,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.61ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 41.6MB in the beginning and 62.7MB in the end (delta: -21.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 22:58:05,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.45ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:58:05,169 INFO L158 Benchmark]: Boogie Preprocessor took 29.38ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:58:05,169 INFO L158 Benchmark]: RCFGBuilder took 477.71ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 39.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:58:05,170 INFO L158 Benchmark]: CodeCheck took 495.43ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 51.3MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:05,171 INFO L158 Benchmark]: Witness Printer took 10.67ms. Allocated memory is still 92.3MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:05,174 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --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 0.31ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.61ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 41.6MB in the beginning and 62.7MB in the end (delta: -21.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.45ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.38ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.71ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 39.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 495.43ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 51.3MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.67ms. Allocated memory is still 92.3MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:58:05,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3b25703-7677-4fce-b08e-a64c5bfae7d6/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