./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_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_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b --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 b5b0306ceebc7138ed940cef6b6848d6eb995b72db2fae2138badb859ab7a0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:23:22,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:23:22,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:23:22,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:23:22,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:23:22,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:23:22,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:23:22,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:23:22,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:23:22,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:23:22,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:23:22,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:23:22,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:23:22,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:23:22,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:22,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:23:22,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:23:22,749 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_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b 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 -> b5b0306ceebc7138ed940cef6b6848d6eb995b72db2fae2138badb859ab7a0a1 [2024-12-06 06:23:22,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:23:22,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:23:22,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:23:22,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:23:22,966 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:23:22,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i [2024-12-06 06:23:25,576 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/f89592360/6a6c45fcbd604705a6079cc4c0798817/FLAG75179eac6 [2024-12-06 06:23:25,874 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:23:25,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i [2024-12-06 06:23:25,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/f89592360/6a6c45fcbd604705a6079cc4c0798817/FLAG75179eac6 [2024-12-06 06:23:26,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/f89592360/6a6c45fcbd604705a6079cc4c0798817 [2024-12-06 06:23:26,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:23:26,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:23:26,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:26,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:23:26,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:23:26,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:26,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d00d918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26, skipping insertion in model container [2024-12-06 06:23:26,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:26,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:23:26,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:26,814 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:23:26,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:26,992 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:23:26,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26 WrapperNode [2024-12-06 06:23:26,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:26,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:26,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:23:26,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:23:27,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,040 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-12-06 06:23:27,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:27,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:23:27,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:23:27,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:23:27,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:23:27,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:23:27,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:23:27,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:23:27,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:26" (1/1) ... [2024-12-06 06:23:27,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:27,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:23:27,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:23:27,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:23:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:23:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:23:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:23:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:23:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:23:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:23:27,228 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:23:27,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:23:27,322 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 06:23:27,322 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:23:27,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:23:27,350 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:23:27,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:27 BoogieIcfgContainer [2024-12-06 06:23:27,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:23:27,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:23:27,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:23:27,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:23:27,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:27" (1/1) ... [2024-12-06 06:23:27,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:23:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 06:23:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 06:23:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:23:27,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:27,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:23:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:27,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:27,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:27,635 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:23:27,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:23:27 ImpRootNode [2024-12-06 06:23:27,659 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:23:27,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:23:27,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:23:27,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:23:27,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:27" (3/4) ... [2024-12-06 06:23:27,663 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:23:27,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:23:27,665 INFO L158 Benchmark]: Toolchain (without parser) took 1509.21ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 78.0MB in the end (delta: 35.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 06:23:27,665 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:27,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.93ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.1MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 06:23:27,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 112.8MB in the end (delta: -58.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 06:23:27,666 INFO L158 Benchmark]: Boogie Preprocessor took 15.82ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 112.1MB in the end (delta: 663.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:27,666 INFO L158 Benchmark]: RCFGBuilder took 292.85ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 97.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:23:27,667 INFO L158 Benchmark]: CodeCheck took 308.51ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 78.0MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:23:27,667 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:27,669 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of fgets at line 1566. 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); [L1548] static int CWE191_Integer_Underflow__int_fgets_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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) [L1581] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE191_Integer_Underflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.93ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.1MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 112.8MB in the end (delta: -58.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.82ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 112.1MB in the end (delta: 663.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.85ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 97.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 308.51ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 78.0MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:23:27,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/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_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b --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 b5b0306ceebc7138ed940cef6b6848d6eb995b72db2fae2138badb859ab7a0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:23:29,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:23:29,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 06:23:29,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:23:29,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:23:29,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:23:29,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:23:29,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:23:29,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:23:29,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:23:29,668 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:23:29,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:29,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:23:29,669 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:23:29,669 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_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b 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 -> b5b0306ceebc7138ed940cef6b6848d6eb995b72db2fae2138badb859ab7a0a1 [2024-12-06 06:23:29,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:23:29,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:23:29,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:23:29,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:23:29,917 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:23:29,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i [2024-12-06 06:23:32,598 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/32a8c565f/d8838c2d37714e91bec13657c45352e9/FLAGaa84dea1a [2024-12-06 06:23:32,878 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:23:32,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_45_bad.i [2024-12-06 06:23:32,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/32a8c565f/d8838c2d37714e91bec13657c45352e9/FLAGaa84dea1a [2024-12-06 06:23:32,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/data/32a8c565f/d8838c2d37714e91bec13657c45352e9 [2024-12-06 06:23:32,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:23:32,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:23:32,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:32,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:23:32,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:23:32,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:32" (1/1) ... [2024-12-06 06:23:32,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cef9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:32, skipping insertion in model container [2024-12-06 06:23:32,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:32" (1/1) ... [2024-12-06 06:23:32,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:23:33,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:33,599 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:23:33,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:33,773 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:23:33,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33 WrapperNode [2024-12-06 06:23:33,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:33,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:33,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:23:33,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:23:33,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,817 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-12-06 06:23:33,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:33,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:23:33,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:23:33,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:23:33,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:23:33,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:23:33,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:23:33,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:23:33,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:33" (1/1) ... [2024-12-06 06:23:33,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:33,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:23:33,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:23:33,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:23:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:23:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:23:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:23:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:23:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:23:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:23:34,025 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:23:34,026 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:23:34,141 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 06:23:34,141 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:23:34,175 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:23:34,176 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:23:34,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:34 BoogieIcfgContainer [2024-12-06 06:23:34,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:23:34,177 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:23:34,177 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:23:34,184 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:23:34,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:34" (1/1) ... [2024-12-06 06:23:34,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:23:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 06:23:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 06:23:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:23:34,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:34,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:23:34,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:23:34,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:23:34,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:23:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:34,383 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:34,487 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:23:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:23:34,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:23:34,519 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:23:34,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:23:34 ImpRootNode [2024-12-06 06:23:34,542 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:23:34,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:23:34,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:23:34,543 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:23:34,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:34" (3/4) ... [2024-12-06 06:23:34,545 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:23:34,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:23:34,547 INFO L158 Benchmark]: Toolchain (without parser) took 1629.44ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 102.6MB in the end (delta: -37.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 06:23:34,547 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:34,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.36ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 60.5MB in the end (delta: 4.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 06:23:34,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.94ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:34,548 INFO L158 Benchmark]: Boogie Preprocessor took 26.18ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:34,548 INFO L158 Benchmark]: RCFGBuilder took 331.43ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 40.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:23:34,549 INFO L158 Benchmark]: CodeCheck took 365.33ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 40.1MB in the beginning and 102.6MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:34,549 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 102.6MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:23:34,552 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of fgets at line 1566. 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); [L1548] static int CWE191_Integer_Underflow__int_fgets_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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) [L1581] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE191_Integer_Underflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.36ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 60.5MB in the end (delta: 4.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.94ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.18ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.43ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 40.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 365.33ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 40.1MB in the beginning and 102.6MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 102.6MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:23:34,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c5a8277-efd4-4860-9e29-e8dfe5dc145f/bin/ukojak-verify-CZk0znPC7b/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