./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_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_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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_6d7f1d16-83de-4f62-981d-a97d041edb48/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:21,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:21,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:40:21,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:40:21,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:40:21,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:21,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:21,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:21,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:21,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:21,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:21,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:21,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:40:21,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:21,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:21,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:21,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:21,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:21,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:21,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:21,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:21,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:21,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:21,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:21,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:21,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:21,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:21,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:21,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:21,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:21,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:40:21,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:40:21,669 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_6d7f1d16-83de-4f62-981d-a97d041edb48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-11-08 22:40:21,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:21,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:21,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:21,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:21,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:21,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 22:40:24,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:24,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:24,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 22:40:24,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/bc5820c24/6762fdec821043629ccaa1cd2a90b078/FLAG48aaa184d [2024-11-08 22:40:24,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/bc5820c24/6762fdec821043629ccaa1cd2a90b078 [2024-11-08 22:40:24,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:24,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:24,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:24,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:24,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:24,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:24" (1/1) ... [2024-11-08 22:40:24,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1b8f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:24, skipping insertion in model container [2024-11-08 22:40:24,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:24" (1/1) ... [2024-11-08 22:40:24,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:25,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:25,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:25,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:25,869 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:25,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25 WrapperNode [2024-11-08 22:40:25,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:25,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:25,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:25,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:25,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,918 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 22:40:25,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:25,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:25,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:25,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:25,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:25,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:25,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:25,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:25,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:25" (1/1) ... [2024-11-08 22:40:25,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:25,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:25,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:26,218 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:26,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:26,318 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:26,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:26,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:26,364 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:26,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:26 BoogieIcfgContainer [2024-11-08 22:40:26,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:26,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:26,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:26,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:26,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:40:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:40:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:40:26,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:26,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:26,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:26,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:26,728 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:26,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:26 ImpRootNode [2024-11-08 22:40:26,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:26,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:26,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:26,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:26,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:26" (3/4) ... [2024-11-08 22:40:26,770 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:26,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:26,772 INFO L158 Benchmark]: Toolchain (without parser) took 2319.78ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 85.5MB in the end (delta: 33.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,773 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:26,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.55ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 118.2MB in the end (delta: 339.8kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 115.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,778 INFO L158 Benchmark]: Boogie Preprocessor took 22.04ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 114.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,778 INFO L158 Benchmark]: RCFGBuilder took 422.99ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,779 INFO L158 Benchmark]: CodeCheck took 396.78ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 85.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:26,780 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:26,786 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] 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 104.9MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.55ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 118.2MB in the end (delta: 339.8kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.03ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 115.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.04ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 114.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.99ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 396.78ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 85.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 2.7kB). 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 22:40:26,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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_6d7f1d16-83de-4f62-981d-a97d041edb48/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:29,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:29,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:40:29,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:29,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:29,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:29,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:29,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:29,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:29,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:29,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:29,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:29,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:29,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:29,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:40:29,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:40:29,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:29,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:29,346 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:40:29,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:29,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:29,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:29,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:29,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:29,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:29,351 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:29,351 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:40:29,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:29,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:29,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:29,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:29,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:29,357 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:40:29,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:29,357 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:40:29,358 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_6d7f1d16-83de-4f62-981d-a97d041edb48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-11-08 22:40:29,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:29,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:29,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:29,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:29,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:29,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 22:40:31,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:32,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:32,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 22:40:32,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/9c1eb400e/b2eeee2ba77e4d9faad4d67c623856f8/FLAG46a097385 [2024-11-08 22:40:32,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/data/9c1eb400e/b2eeee2ba77e4d9faad4d67c623856f8 [2024-11-08 22:40:32,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:32,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:32,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:32,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:32,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:32,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:32" (1/1) ... [2024-11-08 22:40:32,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcfa1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:32, skipping insertion in model container [2024-11-08 22:40:32,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:32" (1/1) ... [2024-11-08 22:40:32,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:33,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:33,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:33,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:34,006 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:34,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34 WrapperNode [2024-11-08 22:40:34,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:34,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:34,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:34,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:34,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,084 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-08 22:40:34,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:34,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:34,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:34,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:34,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:34,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:34,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:34,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:34,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:34,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:34,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:34,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:34,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:34,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:34,505 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:34,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:34,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:34,560 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:34,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:34 BoogieIcfgContainer [2024-11-08 22:40:34,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:34,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:34,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:34,573 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:34,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:34" (1/1) ... [2024-11-08 22:40:34,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:40:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:40:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:40:34,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:34,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:34,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:34,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:34,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:40:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:34,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:34,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:34,943 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:40:34,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:40:34,948 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:34,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:34 ImpRootNode [2024-11-08 22:40:34,982 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:34,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:34,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:34,984 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:34,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:34" (3/4) ... [2024-11-08 22:40:34,989 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:34,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:34,992 INFO L158 Benchmark]: Toolchain (without parser) took 2581.08ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.7MB in the beginning and 48.1MB in the end (delta: 5.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:34,992 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:34,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.79ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 44.0MB in the end (delta: 9.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-08 22:40:34,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.55ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 40.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:40:34,994 INFO L158 Benchmark]: Boogie Preprocessor took 45.27ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 39.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:34,994 INFO L158 Benchmark]: RCFGBuilder took 426.88ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 62.2MB in the end (delta: -23.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-08 22:40:34,995 INFO L158 Benchmark]: CodeCheck took 419.58ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 48.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:40:34,996 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 98.6MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 555.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:35,004 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] 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 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.79ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 44.0MB in the end (delta: 9.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.55ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 40.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.27ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 39.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.88ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 62.2MB in the end (delta: -23.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 419.58ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 48.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 98.6MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 555.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:40:35,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f1d16-83de-4f62-981d-a97d041edb48/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