./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_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_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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_c6a9ade3-6ec0-40a7-9892-288d53d12853/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 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:13,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:13,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:29:13,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:29:13,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:29:13,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:13,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:13,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:13,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:13,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:13,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:13,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:13,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:29:13,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:13,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:13,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:13,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:13,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:13,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:29:13,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:29:13,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:13,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:13,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:13,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:13,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:13,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:13,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:13,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:13,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:13,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:13,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:29:13,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:29:13,221 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_c6a9ade3-6ec0-40a7-9892-288d53d12853/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c [2024-11-08 23:29:13,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:13,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:13,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:13,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:13,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:13,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i Unable to find full path for "g++" [2024-11-08 23:29:16,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:16,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:16,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i [2024-11-08 23:29:16,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/c25bada48/d91e654379f3433abc6a8c26cb77ac91/FLAGf153ee613 [2024-11-08 23:29:16,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/c25bada48/d91e654379f3433abc6a8c26cb77ac91 [2024-11-08 23:29:16,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:16,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:16,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:16,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:16,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:16,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:16" (1/1) ... [2024-11-08 23:29:16,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248ce9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:16, skipping insertion in model container [2024-11-08 23:29:16,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:16" (1/1) ... [2024-11-08 23:29:17,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:18,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:18,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:18,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:18,896 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:18,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18 WrapperNode [2024-11-08 23:29:18,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:18,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:18,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:18,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:18,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,969 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 23:29:18,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:18,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:18,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:18,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:18,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:18,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:19,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:19,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:19,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:19,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:19,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:19,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:19,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:18" (1/1) ... [2024-11-08 23:29:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:19,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:19,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:19,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:29:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:29:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:19,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:19,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:19,562 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:19,562 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:19,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:19,653 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:29:19,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:19 BoogieIcfgContainer [2024-11-08 23:29:19,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:19,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:19,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:19,669 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:19,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:29:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:29:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:29:19,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:19,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:19,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:20,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:20,101 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:29:20,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:20 ImpRootNode [2024-11-08 23:29:20,137 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:20,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:20,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:20,140 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:20,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:19" (3/4) ... [2024-11-08 23:29:20,145 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:29:20,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:29:20,147 INFO L158 Benchmark]: Toolchain (without parser) took 3188.31ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 72.1MB in the end (delta: 42.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,148 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 109.1MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:20,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1937.00ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 106.5MB in the end (delta: 8.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.97ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,152 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 102.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,153 INFO L158 Benchmark]: RCFGBuilder took 647.07ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 87.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,154 INFO L158 Benchmark]: CodeCheck took 482.91ms. Allocated memory is still 151.0MB. Free memory was 87.7MB in the beginning and 73.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:20,155 INFO L158 Benchmark]: Witness Printer took 8.00ms. Allocated memory is still 151.0MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:20,159 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [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 0.48ms. Allocated memory is still 109.1MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1937.00ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 106.5MB in the end (delta: 8.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.97ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 102.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.07ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 87.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 482.91ms. Allocated memory is still 151.0MB. Free memory was 87.7MB in the beginning and 73.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.00ms. Allocated memory is still 151.0MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 879.9kB). 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 23:29:20,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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_c6a9ade3-6ec0-40a7-9892-288d53d12853/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 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:22,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:22,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:29:22,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:22,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:22,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:22,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:22,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:22,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:22,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:22,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:22,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:22,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:22,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:22,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:29:22,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:29:22,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:22,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:29:22,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:29:22,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:29:22,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:22,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:22,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:22,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:22,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:22,915 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:22,915 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:29:22,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:22,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:22,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:22,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:22,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:22,918 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:29:22,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:22,919 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:29:22,919 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_c6a9ade3-6ec0-40a7-9892-288d53d12853/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c [2024-11-08 23:29:23,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:23,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:23,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:23,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:23,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:23,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i Unable to find full path for "g++" [2024-11-08 23:29:25,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:26,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:26,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i [2024-11-08 23:29:26,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/9ce997419/44e2127df5814b8fa75dfbd8baf79619/FLAGa06de1818 [2024-11-08 23:29:26,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/data/9ce997419/44e2127df5814b8fa75dfbd8baf79619 [2024-11-08 23:29:26,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:26,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:26,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:26,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:26,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:26,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:26" (1/1) ... [2024-11-08 23:29:26,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd4c96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:26, skipping insertion in model container [2024-11-08 23:29:26,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:26" (1/1) ... [2024-11-08 23:29:26,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:27,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:27,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:27,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:27,736 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:27,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27 WrapperNode [2024-11-08 23:29:27,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:27,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:27,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:27,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:27,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,820 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 23:29:27,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:27,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:27,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:27,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:27,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:27,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:27,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:27,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:27,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:27" (1/1) ... [2024-11-08 23:29:27,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:27,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:27,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:27,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:29:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:29:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:28,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:28,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:28,286 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:28,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:28,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:28,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:29:28,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:28 BoogieIcfgContainer [2024-11-08 23:29:28,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:28,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:28,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:28,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:28,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:28" (1/1) ... [2024-11-08 23:29:28,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:29:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:29:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:29:28,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:28,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:28,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:29:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:28,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:28,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:28,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:29:28,855 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:29:28,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:28 ImpRootNode [2024-11-08 23:29:28,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:28,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:28,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:28,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:28,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:28" (3/4) ... [2024-11-08 23:29:28,899 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:29:28,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:29:28,901 INFO L158 Benchmark]: Toolchain (without parser) took 2630.93ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 64.8MB in the end (delta: 19.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-08 23:29:28,902 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 60.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:28,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.48ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 67.8MB in the end (delta: 16.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-08 23:29:28,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.51ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:28,904 INFO L158 Benchmark]: Boogie Preprocessor took 36.49ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:28,904 INFO L158 Benchmark]: RCFGBuilder took 514.04ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 46.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:29:28,905 INFO L158 Benchmark]: CodeCheck took 518.50ms. Allocated memory is still 107.0MB. Free memory was 46.3MB in the beginning and 64.8MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:28,906 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 107.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:28,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [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 0.28ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 60.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.48ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 67.8MB in the end (delta: 16.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.51ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.49ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.04ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 46.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 518.50ms. Allocated memory is still 107.0MB. Free memory was 46.3MB in the beginning and 64.8MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 107.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:29:28,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6a9ade3-6ec0-40a7-9892-288d53d12853/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