./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3 --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 da9c506dbd5a8a39c9dccf9393e01fc23287fe9cd5069388be080dbc228fa07d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:41:19,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:41:19,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:41:19,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:41:19,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:41:19,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:41:19,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:41:19,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:41:19,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:41:19,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:41:19,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:41:19,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:41:19,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:41:19,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:41:19,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:41:19,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:41:19,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:41:19,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:41:19,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:41:19,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:41:19,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:19,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:41:19,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:41:19,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:41:19,693 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:41:19,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:41:19,693 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_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3 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 -> da9c506dbd5a8a39c9dccf9393e01fc23287fe9cd5069388be080dbc228fa07d [2024-11-25 02:41:20,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:41:20,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:41:20,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:41:20,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:41:20,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:41:20,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i [2024-11-25 02:41:23,087 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/1ed4d63e6/e00692daf21a4414ac4ace00bce222a7/FLAG46466a2d7 [2024-11-25 02:41:23,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:41:23,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i [2024-11-25 02:41:23,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/1ed4d63e6/e00692daf21a4414ac4ace00bce222a7/FLAG46466a2d7 [2024-11-25 02:41:23,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/1ed4d63e6/e00692daf21a4414ac4ace00bce222a7 [2024-11-25 02:41:23,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:41:23,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:41:23,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:23,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:41:23,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:41:23,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:23" (1/1) ... [2024-11-25 02:41:23,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452cb3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:23, skipping insertion in model container [2024-11-25 02:41:23,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:23" (1/1) ... [2024-11-25 02:41:23,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:41:24,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:24,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:41:24,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:24,827 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:41:24,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24 WrapperNode [2024-11-25 02:41:24,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:24,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:24,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:41:24,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:41:24,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,899 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 02:41:24,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:24,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:41:24,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:41:24,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:41:24,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:41:24,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:41:24,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:41:24,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:41:24,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:24" (1/1) ... [2024-11-25 02:41:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:24,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:41:24,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:41:24,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:41:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:41:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:41:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:41:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:41:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:41:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:41:25,128 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:41:25,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:41:25,243 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:41:25,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:41:25,276 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:41:25,277 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:41:25,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:25 BoogieIcfgContainer [2024-11-25 02:41:25,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:41:25,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:41:25,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:41:25,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:41:25,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:25" (1/1) ... [2024-11-25 02:41:25,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:41:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:41:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:41:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:41:25,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:25,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:25,586 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:25,613 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:41:25,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:41:25 ImpRootNode [2024-11-25 02:41:25,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:41:25,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:41:25,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:41:25,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:41:25,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:25" (3/4) ... [2024-11-25 02:41:25,646 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:41:25,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:41:25,648 INFO L158 Benchmark]: Toolchain (without parser) took 2031.20ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 47.5MB in the end (delta: 41.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-25 02:41:25,650 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:25,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1209.70ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.4MB in the end (delta: 9.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 02:41:25,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.40ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:25,653 INFO L158 Benchmark]: Boogie Preprocessor took 40.43ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:25,654 INFO L158 Benchmark]: RCFGBuilder took 331.20ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 62.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:41:25,656 INFO L158 Benchmark]: CodeCheck took 363.62ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 48.1MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:25,656 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 47.5MB in the end (delta: 535.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:25,659 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, 17 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, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1209.70ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.4MB in the end (delta: 9.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.40ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.43ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.20ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 62.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 363.62ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 48.1MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 47.5MB in the end (delta: 535.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:41:25,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/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_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3 --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 da9c506dbd5a8a39c9dccf9393e01fc23287fe9cd5069388be080dbc228fa07d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:41:28,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:41:28,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:41:28,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:41:28,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:41:28,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:41:28,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:41:28,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:41:28,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:41:28,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:41:28,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:41:28,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:41:28,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:41:28,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:41:28,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:41:28,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:41:28,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:41:28,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:41:28,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:28,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:41:28,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:41:28,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:41:28,447 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:41:28,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:28,447 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:41:28,448 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_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3 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 -> da9c506dbd5a8a39c9dccf9393e01fc23287fe9cd5069388be080dbc228fa07d [2024-11-25 02:41:28,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:41:28,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:41:28,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:41:28,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:41:28,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:41:28,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i [2024-11-25 02:41:31,911 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/795e454fc/cb1d626deb0344d9ad3fa5caf893fc3c/FLAG826c5d8f7 [2024-11-25 02:41:32,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:41:32,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_18_bad.i [2024-11-25 02:41:32,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/795e454fc/cb1d626deb0344d9ad3fa5caf893fc3c/FLAG826c5d8f7 [2024-11-25 02:41:32,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/data/795e454fc/cb1d626deb0344d9ad3fa5caf893fc3c [2024-11-25 02:41:32,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:41:32,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:41:32,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:32,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:41:32,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:41:32,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a32551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32, skipping insertion in model container [2024-11-25 02:41:32,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:41:33,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:33,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:41:33,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:33,778 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:41:33,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33 WrapperNode [2024-11-25 02:41:33,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:33,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:33,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:41:33,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:41:33,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,833 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 02:41:33,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:33,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:41:33,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:41:33,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:41:33,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:41:33,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:41:33,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:41:33,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:41:33,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:33" (1/1) ... [2024-11-25 02:41:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:41:33,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:41:33,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:41:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:41:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:41:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:41:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:41:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:41:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:41:34,084 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:41:34,086 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:41:34,213 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:41:34,213 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:41:34,264 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:41:34,264 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:41:34,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:34 BoogieIcfgContainer [2024-11-25 02:41:34,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:41:34,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:41:34,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:41:34,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:41:34,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:34" (1/1) ... [2024-11-25 02:41:34,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:41:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:41:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:41:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:41:34,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:34,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:34,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:34,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:34,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:41:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:34,525 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:34,637 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:34,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:41:34,678 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:41:34,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:41:34 ImpRootNode [2024-11-25 02:41:34,712 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:41:34,713 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:41:34,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:41:34,714 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:41:34,714 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:34" (3/4) ... [2024-11-25 02:41:34,717 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:41:34,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:41:34,718 INFO L158 Benchmark]: Toolchain (without parser) took 2224.68ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 42.7MB in the end (delta: 14.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:34,719 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:34,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1284.87ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 02:41:34,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:34,720 INFO L158 Benchmark]: Boogie Preprocessor took 33.67ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:34,720 INFO L158 Benchmark]: RCFGBuilder took 396.44ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 32.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:41:34,721 INFO L158 Benchmark]: CodeCheck took 447.05ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 42.7MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:34,721 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 9.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:34,723 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, 17 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, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE data < 0 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] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1284.87ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.67ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.44ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 32.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447.05ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 42.7MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 9.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:41:34,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9caed8-2fe0-41c2-907f-e26e6de8c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample