./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_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_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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_0cf6f703-f920-4115-bd28-63ab2b63c83d/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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:57,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:57,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:15:57,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:15:57,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:15:57,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:57,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:57,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:57,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:57,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:57,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:57,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:57,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:15:57,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:57,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:57,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:57,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:57,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:15:57,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:15:57,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:57,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:57,775 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:57,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:57,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:57,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:57,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:57,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:57,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:57,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:57,777 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:15:57,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:15:57,782 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_0cf6f703-f920-4115-bd28-63ab2b63c83d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-08 23:15:58,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:58,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:58,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:58,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:58,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:58,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i Unable to find full path for "g++" [2024-11-08 23:16:00,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:00,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:00,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-08 23:16:00,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/9d46c5ec0/d29909ed5c2d4d6c9b122b6f2db851fa/FLAG1d28ede46 [2024-11-08 23:16:00,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/9d46c5ec0/d29909ed5c2d4d6c9b122b6f2db851fa [2024-11-08 23:16:00,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:00,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:00,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:00,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:00,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:00,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:00" (1/1) ... [2024-11-08 23:16:00,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318950cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:00, skipping insertion in model container [2024-11-08 23:16:00,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:00" (1/1) ... [2024-11-08 23:16:00,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:01,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:01,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:02,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:02,258 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:02,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02 WrapperNode [2024-11-08 23:16:02,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:02,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:02,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:02,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:02,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,339 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2024-11-08 23:16:02,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:02,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:02,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:02,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:02,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:02,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:02,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:02,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:02,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:02,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:02,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:02,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:16:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:16:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:02,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:02,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:16:02,919 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:16:02,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:16:02,984 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:16:02,984 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:16:02,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:02 BoogieIcfgContainer [2024-11-08 23:16:02,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:16:02,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:16:02,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:16:03,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:16:03,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:02" (1/1) ... [2024-11-08 23:16:03,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:16:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:16:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:16:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:16:03,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:03,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:03,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:03,430 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:16:03,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:16:03 ImpRootNode [2024-11-08 23:16:03,458 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:16:03,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:16:03,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:16:03,460 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:16:03,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:02" (3/4) ... [2024-11-08 23:16:03,464 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:16:03,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:16:03,470 INFO L158 Benchmark]: Toolchain (without parser) took 2781.40ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 95.8MB in the beginning and 135.7MB in the end (delta: -39.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:16:03,471 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:03,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1570.20ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 76.3MB in the end (delta: 19.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-08 23:16:03,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.23ms. Allocated memory is still 130.0MB. Free memory was 76.3MB in the beginning and 73.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:03,476 INFO L158 Benchmark]: Boogie Preprocessor took 38.16ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 72.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:03,477 INFO L158 Benchmark]: RCFGBuilder took 605.87ms. Allocated memory is still 130.0MB. Free memory was 72.1MB in the beginning and 58.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:16:03,478 INFO L158 Benchmark]: CodeCheck took 472.56ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 58.4MB in the beginning and 135.7MB in the end (delta: -77.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:03,479 INFO L158 Benchmark]: Witness Printer took 9.17ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:03,482 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] 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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1570.20ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 76.3MB in the end (delta: 19.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.23ms. Allocated memory is still 130.0MB. Free memory was 76.3MB in the beginning and 73.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.16ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 72.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.87ms. Allocated memory is still 130.0MB. Free memory was 72.1MB in the beginning and 58.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 472.56ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 58.4MB in the beginning and 135.7MB in the end (delta: -77.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.17ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:16:03,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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_0cf6f703-f920-4115-bd28-63ab2b63c83d/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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:16:05,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:16:05,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:16:05,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:16:05,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:16:05,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:16:05,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:16:05,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:16:05,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:16:05,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:16:05,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:16:05,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:16:05,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:16:05,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:16:05,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:16:05,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:16:05,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:16:05,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:16:05,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:16:05,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:16:05,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:16:05,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:16:05,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:16:05,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:16:05,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:16:05,963 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:05,964 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:16:05,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:16:05,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:05,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:16:05,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:16:05,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:16:05,965 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:16:05,966 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:05,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:16:05,970 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_0cf6f703-f920-4115-bd28-63ab2b63c83d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-08 23:16:06,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:16:06,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:16:06,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:16:06,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:16:06,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:16:06,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i Unable to find full path for "g++" [2024-11-08 23:16:08,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:09,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:09,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-08 23:16:09,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/77618d5ac/712bc26811b74c23870b83fe78358dc5/FLAG76feb4d20 [2024-11-08 23:16:09,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/data/77618d5ac/712bc26811b74c23870b83fe78358dc5 [2024-11-08 23:16:09,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:09,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:09,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:09,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:09,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:09,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:09" (1/1) ... [2024-11-08 23:16:09,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a164ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:09, skipping insertion in model container [2024-11-08 23:16:09,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:09" (1/1) ... [2024-11-08 23:16:09,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:10,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:10,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:10,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:10,543 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:10,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10 WrapperNode [2024-11-08 23:16:10,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:10,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:10,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:10,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:10,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,610 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-08 23:16:10,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:10,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:10,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:10,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:10,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:10,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:10,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:10,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:10,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:10" (1/1) ... [2024-11-08 23:16:10,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:10,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:10,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:10,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:16:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:16:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:10,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:10,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:16:11,111 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:16:11,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:16:11,185 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:16:11,185 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:16:11,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:11 BoogieIcfgContainer [2024-11-08 23:16:11,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:16:11,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:16:11,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:16:11,198 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:16:11,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:11,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:16:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:16:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:16:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:16:11,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:11,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:11,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:16:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:11,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:11,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:11,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:16:11,619 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:16:11,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:16:11 ImpRootNode [2024-11-08 23:16:11,648 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:16:11,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:16:11,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:16:11,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:16:11,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:11" (3/4) ... [2024-11-08 23:16:11,654 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:16:11,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:16:11,656 INFO L158 Benchmark]: Toolchain (without parser) took 2547.70ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 47.7MB in the beginning and 58.6MB in the end (delta: -10.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,657 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:11,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1433.96ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 47.5MB in the beginning and 62.0MB in the end (delta: -14.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.56ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,659 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 113.2MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,660 INFO L158 Benchmark]: RCFGBuilder took 542.33ms. Allocated memory is still 113.2MB. Free memory was 56.9MB in the beginning and 72.7MB in the end (delta: -15.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,661 INFO L158 Benchmark]: CodeCheck took 461.59ms. Allocated memory is still 113.2MB. Free memory was 72.7MB in the beginning and 58.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:16:11,661 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 113.2MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:11,667 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] 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 0.85ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1433.96ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 47.5MB in the beginning and 62.0MB in the end (delta: -14.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.56ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 113.2MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.33ms. Allocated memory is still 113.2MB. Free memory was 56.9MB in the beginning and 72.7MB in the end (delta: -15.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 461.59ms. Allocated memory is still 113.2MB. Free memory was 72.7MB in the beginning and 58.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 113.2MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:16:11,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6f703-f920-4115-bd28-63ab2b63c83d/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