./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_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_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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_3ba19eb7-0cff-4640-8300-0e95db9815de/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 d42ed324f7035c260c3f15fc13942e4d9bed3ca92ec2cc1473c0d4f159cf511e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:54:32,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:54:32,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:54:32,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:54:32,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:54:32,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:54:32,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:54:32,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:54:32,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:54:32,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:54:32,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:54:32,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:54:32,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:54:32,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:54:32,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:54:32,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:54:32,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:54:32,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:54:32,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:54:32,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:54:32,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:54:32,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:54:32,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:54:32,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:54:32,389 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:54:32,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:54:32,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:32,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:54:32,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:54:32,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:54:32,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:54:32,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:54:32,399 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_3ba19eb7-0cff-4640-8300-0e95db9815de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d42ed324f7035c260c3f15fc13942e4d9bed3ca92ec2cc1473c0d4f159cf511e [2024-11-08 23:54:32,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:54:32,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:54:32,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:54:32,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:54:32,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:54:32,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i Unable to find full path for "g++" [2024-11-08 23:54:34,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:54:35,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:54:35,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i [2024-11-08 23:54:35,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/83cb61c1e/5f36b4ba8c28462a84637a16d42debe7/FLAG3752ef339 [2024-11-08 23:54:35,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/83cb61c1e/5f36b4ba8c28462a84637a16d42debe7 [2024-11-08 23:54:35,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:54:35,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:54:35,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:35,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:54:35,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:54:35,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:35" (1/1) ... [2024-11-08 23:54:35,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223cff7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:35, skipping insertion in model container [2024-11-08 23:54:35,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:35" (1/1) ... [2024-11-08 23:54:35,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:36,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:36,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:54:36,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:36,815 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:54:36,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36 WrapperNode [2024-11-08 23:54:36,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:36,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:36,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:54:36,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:54:36,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,881 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-08 23:54:36,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:36,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:54:36,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:54:36,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:54:36,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:54:36,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:54:36,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:54:36,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:54:36,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:36" (1/1) ... [2024-11-08 23:54:36,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:36,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:54:36,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:54:36,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:54:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:54:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:54:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:54:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:54:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:54:37,189 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:54:37,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:54:37,337 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:54:37,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:54:37,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:54:37,385 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:54:37,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:37 BoogieIcfgContainer [2024-11-08 23:54:37,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:54:37,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:54:37,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:54:37,397 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:54:37,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:37" (1/1) ... [2024-11-08 23:54:37,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:54:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:54:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:54:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:54:37,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:37,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:37,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:37,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:37,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:54:37,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:37 ImpRootNode [2024-11-08 23:54:37,771 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:37,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:37,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:37,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:37,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:37" (3/4) ... [2024-11-08 23:54:37,776 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:54:37,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:37,778 INFO L158 Benchmark]: Toolchain (without parser) took 2522.17ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 81.9MB in the end (delta: 47.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,778 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:37,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1557.13ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 115.5MB in the end (delta: 13.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.14ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 113.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,780 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 111.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,781 INFO L158 Benchmark]: RCFGBuilder took 479.62ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 96.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,781 INFO L158 Benchmark]: CodeCheck took 384.40ms. Allocated memory is still 169.9MB. Free memory was 96.6MB in the beginning and 81.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:54:37,782 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 169.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:37,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 0.39ms. Allocated memory is still 127.9MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1557.13ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 115.5MB in the end (delta: 13.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.14ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 113.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 111.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.62ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 96.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 384.40ms. Allocated memory is still 169.9MB. Free memory was 96.6MB in the beginning and 81.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 169.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:54:37,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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_3ba19eb7-0cff-4640-8300-0e95db9815de/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 d42ed324f7035c260c3f15fc13942e4d9bed3ca92ec2cc1473c0d4f159cf511e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:54:40,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:54:40,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:54:40,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:54:40,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:54:40,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:54:40,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:54:40,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:54:40,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:54:40,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:54:40,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:54:40,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:54:40,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:54:40,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:54:40,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:54:40,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:54:40,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:54:40,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:54:40,549 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:54:40,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:54:40,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:54:40,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:54:40,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:54:40,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:54:40,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:54:40,555 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:40,555 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:54:40,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:54:40,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:40,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:54:40,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:54:40,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:54:40,558 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:54:40,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:40,560 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:54:40,560 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_3ba19eb7-0cff-4640-8300-0e95db9815de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d42ed324f7035c260c3f15fc13942e4d9bed3ca92ec2cc1473c0d4f159cf511e [2024-11-08 23:54:40,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:54:40,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:54:40,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:54:40,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:54:40,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:54:40,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i Unable to find full path for "g++" [2024-11-08 23:54:43,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:54:43,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:54:43,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_42_bad.i [2024-11-08 23:54:43,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/b442e03a5/28260a4d0e2b4f048633a37f38d4256e/FLAG05a702d68 [2024-11-08 23:54:43,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/data/b442e03a5/28260a4d0e2b4f048633a37f38d4256e [2024-11-08 23:54:43,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:54:43,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:54:43,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:43,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:54:43,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:54:43,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:43" (1/1) ... [2024-11-08 23:54:43,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b49a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:43, skipping insertion in model container [2024-11-08 23:54:43,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:43" (1/1) ... [2024-11-08 23:54:43,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:44,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:44,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:54:45,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:45,224 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:54:45,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45 WrapperNode [2024-11-08 23:54:45,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:45,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:45,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:54:45,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:54:45,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,294 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:54:45,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:45,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:54:45,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:54:45,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:54:45,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:54:45,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:54:45,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:54:45,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:54:45,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:45,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:54:45,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:54:45,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:54:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:54:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:54:45,608 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:54:45,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:54:45,786 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:54:45,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:54:45,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:54:45,858 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:54:45,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:45 BoogieIcfgContainer [2024-11-08 23:54:45,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:54:45,860 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:54:45,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:54:45,871 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:54:45,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:45" (1/1) ... [2024-11-08 23:54:45,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:54:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:54:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:54:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:54:45,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:45,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:45,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:54:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:46,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:46,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:46,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:54:46,335 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:54:46,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:46 ImpRootNode [2024-11-08 23:54:46,368 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:46,369 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:46,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:46,369 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:46,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:45" (3/4) ... [2024-11-08 23:54:46,374 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:54:46,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:46,376 INFO L158 Benchmark]: Toolchain (without parser) took 2678.87ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 73.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,378 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:46,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.38ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 75.9MB in the end (delta: 4.0MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.18ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,381 INFO L158 Benchmark]: Boogie Preprocessor took 38.47ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,381 INFO L158 Benchmark]: RCFGBuilder took 523.61ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 54.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,382 INFO L158 Benchmark]: CodeCheck took 508.60ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 74.0MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:46,383 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 73.4MB in the end (delta: 620.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:46,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 0.49ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.38ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 75.9MB in the end (delta: 4.0MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.18ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.47ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.61ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 54.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 508.60ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 74.0MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 73.4MB in the end (delta: 620.1kB). 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 23:54:46,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba19eb7-0cff-4640-8300-0e95db9815de/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