./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_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_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/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_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/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_27016bde-40b6-4bc0-af41-80f7532e5aa1/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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:27,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:27,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:52:27,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:27,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:52:27,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:27,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:27,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:27,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:27,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:27,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:27,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:27,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:27,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:27,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:27,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:27,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:27,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:27,983 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:52:27,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:52:27,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:27,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:27,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:27,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:27,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:27,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:27,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:27,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:27,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:27,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:27,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:52:27,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:28,009 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_27016bde-40b6-4bc0-af41-80f7532e5aa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-08 22:52:28,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:28,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:28,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:28,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:28,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:28,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i Unable to find full path for "g++" [2024-11-08 22:52:30,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:30,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:30,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-08 22:52:30,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/147739cc6/48277966bbe9476d85a0c0f034b61778/FLAG19c6401a6 [2024-11-08 22:52:30,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/147739cc6/48277966bbe9476d85a0c0f034b61778 [2024-11-08 22:52:30,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:30,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:30,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:30,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:30,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:30,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:30" (1/1) ... [2024-11-08 22:52:30,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b48647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:30, skipping insertion in model container [2024-11-08 22:52:30,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:30" (1/1) ... [2024-11-08 22:52:30,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:32,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:32,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:32,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:32,339 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:32,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32 WrapperNode [2024-11-08 22:52:32,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:32,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:32,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:32,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:32,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,422 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 22:52:32,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:32,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:32,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:32,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:32,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:32,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:32,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:32,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:32,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:32" (1/1) ... [2024-11-08 22:52:32,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:32,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:52:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:52:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:32,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:32,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:32,965 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:32,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:33,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:33,028 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:52:33,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:33 BoogieIcfgContainer [2024-11-08 22:52:33,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:33,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:33,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:33,041 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:33,042 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:33" (1/1) ... [2024-11-08 22:52:33,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:52:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:52:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:52:33,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:33,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:33,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:33,414 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:52:33,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:33 ImpRootNode [2024-11-08 22:52:33,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:33,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:33,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:33,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:33,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:33" (3/4) ... [2024-11-08 22:52:33,448 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:52:33,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:33,451 INFO L158 Benchmark]: Toolchain (without parser) took 2644.85ms. Allocated memory is still 180.4MB. Free memory was 149.5MB in the beginning and 115.8MB in the end (delta: 33.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,451 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:33,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1533.38ms. Allocated memory is still 180.4MB. Free memory was 149.3MB in the beginning and 88.1MB in the end (delta: 61.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.50ms. Allocated memory is still 180.4MB. Free memory was 88.1MB in the beginning and 85.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,454 INFO L158 Benchmark]: Boogie Preprocessor took 55.17ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 146.2MB in the end (delta: -60.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,454 INFO L158 Benchmark]: RCFGBuilder took 548.95ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 131.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,455 INFO L158 Benchmark]: CodeCheck took 413.58ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 115.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:52:33,456 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 180.4MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:33,459 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: 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 1571. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1533.38ms. Allocated memory is still 180.4MB. Free memory was 149.3MB in the beginning and 88.1MB in the end (delta: 61.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.50ms. Allocated memory is still 180.4MB. Free memory was 88.1MB in the beginning and 85.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.17ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 146.2MB in the end (delta: -60.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * RCFGBuilder took 548.95ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 131.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 413.58ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 115.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 180.4MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:52:33,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/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_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/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_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/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_27016bde-40b6-4bc0-af41-80f7532e5aa1/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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:35,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:36,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:52:36,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:36,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:36,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:36,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:36,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:36,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:36,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:36,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:36,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:36,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:36,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:36,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:52:36,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:52:36,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:36,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:52:36,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:52:36,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:52:36,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:36,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:36,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:36,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:36,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:36,162 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,163 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:52:36,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:36,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:36,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:36,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:36,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:36,165 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:52:36,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,166 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:52:36,166 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_27016bde-40b6-4bc0-af41-80f7532e5aa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-08 22:52:36,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:36,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:36,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:36,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:36,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:36,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i Unable to find full path for "g++" [2024-11-08 22:52:38,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:39,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:39,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-08 22:52:39,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/fe762e3c1/f6e8c03c8d124fc6b7802f357c33d5f4/FLAG84246b356 [2024-11-08 22:52:39,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/data/fe762e3c1/f6e8c03c8d124fc6b7802f357c33d5f4 [2024-11-08 22:52:39,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:39,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:39,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:39,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:39,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:39,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:39" (1/1) ... [2024-11-08 22:52:39,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1297bc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:39, skipping insertion in model container [2024-11-08 22:52:39,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:39" (1/1) ... [2024-11-08 22:52:39,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:40,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:40,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:40,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:41,014 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:41,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41 WrapperNode [2024-11-08 22:52:41,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:41,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:41,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:41,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:41,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,074 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-08 22:52:41,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:41,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:41,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:41,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:41,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:41,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:41,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:41,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:41,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:41,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:41,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:52:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:52:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:41,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:41,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:41,570 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:41,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:41,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:41,625 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:52:41,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:41 BoogieIcfgContainer [2024-11-08 22:52:41,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:41,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:41,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:41,640 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:41,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:41" (1/1) ... [2024-11-08 22:52:41,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:52:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:52:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:52:41,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:52:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:41,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:42,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:42,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:52:42,078 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:52:42,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:42 ImpRootNode [2024-11-08 22:52:42,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:42,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:42,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:42,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:42,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:41" (3/4) ... [2024-11-08 22:52:42,123 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:52:42,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:42,126 INFO L158 Benchmark]: Toolchain (without parser) took 2658.62ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.9MB in the beginning and 43.9MB in the end (delta: -3.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,127 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 91.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.49ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 53.2MB in the end (delta: -13.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.70ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 50.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,130 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 48.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:42,131 INFO L158 Benchmark]: RCFGBuilder took 516.49ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 58.1MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,131 INFO L158 Benchmark]: CodeCheck took 489.00ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 44.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:52:42,131 INFO L158 Benchmark]: Witness Printer took 8.80ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 499.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:42,135 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: 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 1571. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.17ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 91.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.49ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 53.2MB in the end (delta: -13.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.70ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 50.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 48.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.49ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 58.1MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 489.00ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 44.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.80ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 499.4kB). 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 22:52:42,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27016bde-40b6-4bc0-af41-80f7532e5aa1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample