./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm --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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:06,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:06,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:32:06,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:32:06,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:32:06,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:06,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:06,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:06,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:06,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:06,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:06,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:06,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:06,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:06,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:06,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:06,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:06,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:06,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:32:06,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:32:06,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm 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 -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-13 21:32:06,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:06,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:06,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:06,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:06,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:06,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:32:08,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:09,354 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:09,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-13 21:32:09,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/69158598d/8e7a16bbc30a40fd9d8d80832b6939b9/FLAG2fc931774 [2024-11-13 21:32:09,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/69158598d/8e7a16bbc30a40fd9d8d80832b6939b9 [2024-11-13 21:32:09,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:09,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:09,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:09,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:09,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:09,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:09" (1/1) ... [2024-11-13 21:32:09,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fddb07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:09, skipping insertion in model container [2024-11-13 21:32:09,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:09" (1/1) ... [2024-11-13 21:32:09,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:10,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:10,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:10,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:10,807 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:10,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10 WrapperNode [2024-11-13 21:32:10,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:10,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:10,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:10,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:10,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,854 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 21:32:10,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:10,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:10,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:10,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:10,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:10,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:10,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:10,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:10,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:10" (1/1) ... [2024-11-13 21:32:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:10,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:10,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:10,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:32:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:32:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:11,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:11,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:11,268 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:11,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:11,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:11,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:32:11,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:11 BoogieIcfgContainer [2024-11-13 21:32:11,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:11,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:11,333 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:11,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:11,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:11" (1/1) ... [2024-11-13 21:32:11,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:32:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:32:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:32:11,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:11,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:11,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:11,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:11,681 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:32:11,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:32:11 ImpRootNode [2024-11-13 21:32:11,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:32:11,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:32:11,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:32:11,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:32:11,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:11" (3/4) ... [2024-11-13 21:32:11,720 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:32:11,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:32:11,722 INFO L158 Benchmark]: Toolchain (without parser) took 2298.80ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 50.7MB in the end (delta: 38.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 21:32:11,722 INFO L158 Benchmark]: CDTParser took 2.35ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:11,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.48ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 81.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:32:11,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:11,724 INFO L158 Benchmark]: Boogie Preprocessor took 20.19ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:11,724 INFO L158 Benchmark]: RCFGBuilder took 456.80ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 65.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:11,725 INFO L158 Benchmark]: CodeCheck took 381.30ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 51.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:32:11,725 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 50.7MB in the end (delta: 729.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:11,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] 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 2.35ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.48ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 81.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.19ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.80ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 65.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 381.30ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 51.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 50.7MB in the end (delta: 729.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:32:11,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm --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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:14,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:14,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:32:14,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:14,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:14,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:14,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:14,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:14,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:32:14,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:14,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:32:14,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:14,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:14,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:32:14,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm 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 -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-13 21:32:14,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:14,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:14,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:14,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:14,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:14,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:32:16,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:17,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:17,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-13 21:32:17,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/8105f88c7/24d0fc47504e45a19ae8778cc458ae5a/FLAG5695dfbcb [2024-11-13 21:32:17,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/data/8105f88c7/24d0fc47504e45a19ae8778cc458ae5a [2024-11-13 21:32:17,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:17,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:17,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:17,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:17,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:17,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:17" (1/1) ... [2024-11-13 21:32:17,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dd2dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:17, skipping insertion in model container [2024-11-13 21:32:17,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:17" (1/1) ... [2024-11-13 21:32:17,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:18,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:18,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:18,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:19,101 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:19,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19 WrapperNode [2024-11-13 21:32:19,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:19,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:19,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:19,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:19,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,178 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 21:32:19,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:19,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:19,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:19,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:19,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:19,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:19,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:19,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:19,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:19,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:19,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:19,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:32:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:19,487 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:19,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:19,648 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:19,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:19,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:19,733 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:32:19,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:19 BoogieIcfgContainer [2024-11-13 21:32:19,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:19,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:19,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:19,746 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:19,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:19" (1/1) ... [2024-11-13 21:32:19,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:32:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:32:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:32:19,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:19,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:19,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:19,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:32:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:20,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:20,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:20,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:32:20,208 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:32:20,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:32:20 ImpRootNode [2024-11-13 21:32:20,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:32:20,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:32:20,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:32:20,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:32:20,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:19" (3/4) ... [2024-11-13 21:32:20,246 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:32:20,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:32:20,250 INFO L158 Benchmark]: Toolchain (without parser) took 2758.97ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 43.5MB in the end (delta: 13.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-13 21:32:20,251 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:20,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1611.24ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 21:32:20,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:20,252 INFO L158 Benchmark]: Boogie Preprocessor took 41.95ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:20,253 INFO L158 Benchmark]: RCFGBuilder took 512.41ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 32.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:32:20,253 INFO L158 Benchmark]: CodeCheck took 506.00ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 44.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:20,253 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 43.5MB in the end (delta: 434.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:20,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] 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 0.54ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1611.24ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.95ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.41ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 32.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 506.00ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 44.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 43.5MB in the end (delta: 434.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:32:20,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b563f49-113c-4520-93eb-5cb580ca35b5/bin/ukojak-verify-EEHR8qb7sm/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