./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_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_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/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_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/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_3699fac4-7251-4689-876e-a300af260b29/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 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:10,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:10,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:11:10,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:11:10,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:11:10,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:10,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:10,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:10,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:10,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:10,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:10,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:10,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:11:10,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:10,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:10,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:10,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:10,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:10,958 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:11:10,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:11:10,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:10,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:10,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:10,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:10,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:10,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:10,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:10,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:10,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:10,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:10,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:11:10,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:11:10,963 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_3699fac4-7251-4689-876e-a300af260b29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 [2024-11-08 23:11:11,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:11,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:11,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:11,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:11,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:11,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i Unable to find full path for "g++" [2024-11-08 23:11:13,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:13,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:13,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-08 23:11:13,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/36aa92ca6/1f730ca643d642b9a6ea94434f534c44/FLAG73c1060f6 [2024-11-08 23:11:13,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/36aa92ca6/1f730ca643d642b9a6ea94434f534c44 [2024-11-08 23:11:13,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:13,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:13,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:13,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:13,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:13,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:13" (1/1) ... [2024-11-08 23:11:13,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1642e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:13, skipping insertion in model container [2024-11-08 23:11:13,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:13" (1/1) ... [2024-11-08 23:11:13,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:14,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:15,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:15,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:15,433 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:15,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15 WrapperNode [2024-11-08 23:11:15,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:15,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:15,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:15,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:15,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,551 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-08 23:11:15,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:15,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:15,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:15,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:15,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:15,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:15,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:15,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:15,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:15" (1/1) ... [2024-11-08 23:11:15,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:15,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:15,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-08 23:11:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-08 23:11:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-08 23:11:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-08 23:11:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:11:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:11:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:15,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:15,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:16,049 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:16,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:16,106 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:16,107 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:11:16,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:16 BoogieIcfgContainer [2024-11-08 23:11:16,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:16,108 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:16,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:16,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:16,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:16" (1/1) ... [2024-11-08 23:11:16,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2024-11-08 23:11:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-08 23:11:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:11:16,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:16,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:16,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:11:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:16,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:11:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:16,614 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:11:16,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:11:16 ImpRootNode [2024-11-08 23:11:16,662 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:11:16,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:11:16,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:11:16,666 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:11:16,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:16" (3/4) ... [2024-11-08 23:11:16,672 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:11:16,674 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:11:16,675 INFO L158 Benchmark]: Toolchain (without parser) took 2829.45ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 90.5MB in the end (delta: 48.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,676 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:16,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1588.01ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 129.1MB in the end (delta: 9.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.69ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 127.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,679 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,680 INFO L158 Benchmark]: RCFGBuilder took 518.24ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 108.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,680 INFO L158 Benchmark]: CodeCheck took 553.87ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 90.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:11:16,681 INFO L158 Benchmark]: Witness Printer took 11.22ms. Allocated memory is still 169.9MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:16,685 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 4 procedures, 33 locations, 4 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, 15 NumberOfCodeBlocks, 15 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: 1563]: 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 1585. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1588.01ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 129.1MB in the end (delta: 9.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.69ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 127.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.24ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 108.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 553.87ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 90.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 11.22ms. Allocated memory is still 169.9MB. Free memory is still 90.5MB. 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 23:11:16,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/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_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/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_3699fac4-7251-4689-876e-a300af260b29/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 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:19,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:19,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:11:19,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:19,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:19,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:19,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:19,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:19,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:19,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:19,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:19,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:19,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:19,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:19,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:11:19,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:11:19,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:19,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:11:19,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:11:19,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:11:19,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:19,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:19,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:19,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:19,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:19,899 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:19,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:11:19,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:19,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:19,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:19,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:19,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:19,908 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:11:19,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:19,910 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:11:19,910 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_3699fac4-7251-4689-876e-a300af260b29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 [2024-11-08 23:11:20,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:20,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:20,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:20,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:20,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:20,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i Unable to find full path for "g++" [2024-11-08 23:11:22,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:23,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:23,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-08 23:11:23,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/f96c7021c/a33d6d645b8c4be08c43967429d1639b/FLAGdd5274c4a [2024-11-08 23:11:23,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/data/f96c7021c/a33d6d645b8c4be08c43967429d1639b [2024-11-08 23:11:23,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:23,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:23,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:23,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:23,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:23,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5429b406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23, skipping insertion in model container [2024-11-08 23:11:23,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:25,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:25,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:25,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:25,423 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:25,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25 WrapperNode [2024-11-08 23:11:25,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:25,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:25,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:25,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:25,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,539 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-08 23:11:25,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:25,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:25,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:25,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:25,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:25,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:25,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:25,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:25,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:25,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:25,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:25,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-08 23:11:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-08 23:11:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-08 23:11:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-08 23:11:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:11:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:11:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:25,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:25,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:26,188 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:26,188 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:26,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:26,275 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:11:26,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:26 BoogieIcfgContainer [2024-11-08 23:11:26,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:26,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:26,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:26,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:26,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-08 23:11:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-08 23:11:26,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:11:26,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:26,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:26,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:26,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:11:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:26,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:11:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:27,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:11:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:11:27,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:11:27,093 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:11:27,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:11:27 ImpRootNode [2024-11-08 23:11:27,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:11:27,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:11:27,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:11:27,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:11:27,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:26" (3/4) ... [2024-11-08 23:11:27,148 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:11:27,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:11:27,151 INFO L158 Benchmark]: Toolchain (without parser) took 3588.14ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 56.2MB in the beginning and 49.9MB in the end (delta: 6.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,152 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:27,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1858.95ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 47.0MB in the end (delta: 9.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.76ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 43.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,156 INFO L158 Benchmark]: Boogie Preprocessor took 60.44ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,157 INFO L158 Benchmark]: RCFGBuilder took 673.90ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 66.7MB in the end (delta: -25.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,159 INFO L158 Benchmark]: CodeCheck took 863.69ms. Allocated memory is still 104.9MB. Free memory was 66.2MB in the beginning and 50.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:11:27,160 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 104.9MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:27,167 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 14 NumberOfCodeBlocks, 14 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: 1563]: 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 1585. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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 0.29ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1858.95ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 47.0MB in the end (delta: 9.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.76ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 43.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.44ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.90ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 66.7MB in the end (delta: -25.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 863.69ms. Allocated memory is still 104.9MB. Free memory was 66.2MB in the beginning and 50.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 104.9MB. Free memory is still 49.9MB. 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 23:11:27,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3699fac4-7251-4689-876e-a300af260b29/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