./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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 ad8c276b116b8923ef5682bb8238fd19561165383aa979ed631b0d1862d5c849 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:52,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:52,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:22:52,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:52,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:52,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:52,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:52,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:52,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:52,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:52,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:52,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:52,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:52,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:52,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:52,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:52,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:52,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:52,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:22:52,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:22:52,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:52,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:52,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:52,319 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:52,320 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:52,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:52,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:52,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:52,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:52,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:52,322 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:52,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:52,323 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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8c276b116b8923ef5682bb8238fd19561165383aa979ed631b0d1862d5c849 [2024-11-08 22:22:52,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:52,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:52,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:52,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:52,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:52,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i Unable to find full path for "g++" [2024-11-08 22:22:54,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:55,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:55,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i [2024-11-08 22:22:55,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/8d0043cee/5eb177e8132b42778717cb8c2c37e1f0/FLAG07be84859 [2024-11-08 22:22:55,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/8d0043cee/5eb177e8132b42778717cb8c2c37e1f0 [2024-11-08 22:22:55,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:55,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:55,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:55,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:55,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:55,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:55" (1/1) ... [2024-11-08 22:22:55,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443e59fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:55, skipping insertion in model container [2024-11-08 22:22:55,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:55" (1/1) ... [2024-11-08 22:22:55,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:56,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:56,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:56,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:56,711 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:56,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56 WrapperNode [2024-11-08 22:22:56,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:56,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:56,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:56,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:56,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,782 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-08 22:22:56,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:56,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:56,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:56,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:56,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:56,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:56,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:56,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:56,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:56" (1/1) ... [2024-11-08 22:22:56,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:56,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:56,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:56,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:22:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:22:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:57,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:57,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:57,268 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:57,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:57,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:57,345 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:22:57,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:57 BoogieIcfgContainer [2024-11-08 22:22:57,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:57,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:57,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:57,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:57,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:57" (1/1) ... [2024-11-08 22:22:57,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:22:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:22:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:22:57,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:57,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:57,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:57,658 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:22:57,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:57 ImpRootNode [2024-11-08 22:22:57,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:57,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:57,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:57,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:57,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:57" (3/4) ... [2024-11-08 22:22:57,703 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:22:57,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:57,706 INFO L158 Benchmark]: Toolchain (without parser) took 2433.67ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 86.8MB in the beginning and 111.7MB in the end (delta: -24.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-08 22:22:57,706 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:57,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1440.30ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-08 22:22:57,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.92ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:57,708 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:57,711 INFO L158 Benchmark]: RCFGBuilder took 518.17ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 65.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:22:57,712 INFO L158 Benchmark]: CodeCheck took 349.41ms. Allocated memory is still 159.4MB. Free memory was 65.8MB in the beginning and 111.7MB in the end (delta: -45.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:57,713 INFO L158 Benchmark]: Witness Printer took 8.39ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 111.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:57,717 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1440.30ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.92ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.17ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 65.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 349.41ms. Allocated memory is still 159.4MB. Free memory was 65.8MB in the beginning and 111.7MB in the end (delta: -45.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.39ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 111.7MB in the end (delta: 2.6kB). 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 22:22:57,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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 ad8c276b116b8923ef5682bb8238fd19561165383aa979ed631b0d1862d5c849 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:00,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:00,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:23:00,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:00,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:00,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:00,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:00,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:00,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:00,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:00,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:00,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:00,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:00,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:00,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:23:00,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:23:00,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:00,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:00,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:23:00,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:00,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:00,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:00,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:00,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:00,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:00,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:00,263 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:23:00,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:00,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:00,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:00,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:00,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:00,265 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:23:00,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:00,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:23:00,266 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_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8c276b116b8923ef5682bb8238fd19561165383aa979ed631b0d1862d5c849 [2024-11-08 22:23:00,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:00,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:00,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:00,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:00,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:00,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i Unable to find full path for "g++" [2024-11-08 22:23:02,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:03,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:03,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_16_bad.i [2024-11-08 22:23:03,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/d28f1fddc/bb9b40d625874d66bb7cdc92e2aa7e35/FLAG92a052c24 [2024-11-08 22:23:03,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/data/d28f1fddc/bb9b40d625874d66bb7cdc92e2aa7e35 [2024-11-08 22:23:03,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:03,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:03,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:03,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:03,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:03,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:03" (1/1) ... [2024-11-08 22:23:03,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697abe7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:03, skipping insertion in model container [2024-11-08 22:23:03,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:03" (1/1) ... [2024-11-08 22:23:03,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:04,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:04,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:04,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:04,799 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:04,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04 WrapperNode [2024-11-08 22:23:04,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:04,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:04,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:04,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:04,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,858 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-08 22:23:04,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:04,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:04,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:04,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:04,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:04,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:04,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:04,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:04,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:04" (1/1) ... [2024-11-08 22:23:04,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:04,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:04,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:05,215 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:05,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:05,375 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:05,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:05,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:05,451 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:23:05,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:05 BoogieIcfgContainer [2024-11-08 22:23:05,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:05,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:05,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:05,462 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:05,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:05" (1/1) ... [2024-11-08 22:23:05,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:23:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:23:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:23:05,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:05,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:05,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:05,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:05,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:23:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:05,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:05,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:05,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:23:05,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:23:05,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:05 ImpRootNode [2024-11-08 22:23:05,971 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:05,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:05,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:05,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:05,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:05" (3/4) ... [2024-11-08 22:23:05,978 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:05,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:05,980 INFO L158 Benchmark]: Toolchain (without parser) took 2579.80ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 43.5MB in the beginning and 68.8MB in the end (delta: -25.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,981 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 103.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.83ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 43.4MB in the end (delta: -197.2kB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,983 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 86.0MB. Free memory was 40.2MB in the beginning and 38.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,984 INFO L158 Benchmark]: RCFGBuilder took 560.14ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 43.1MB in the end (delta: -4.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,985 INFO L158 Benchmark]: CodeCheck took 519.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 69.3MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:05,986 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 68.8MB in the end (delta: 537.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:05,991 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: 0.5s, 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: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 103.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.83ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 43.4MB in the end (delta: -197.2kB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 86.0MB. Free memory was 40.2MB in the beginning and 38.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.14ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 43.1MB in the end (delta: -4.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CodeCheck took 519.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 69.3MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 68.8MB in the end (delta: 537.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:23:06,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c1f4ea-7d7c-4544-9d4d-e408da28b97e/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