./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:27:27,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:27:27,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:27:27,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:27:27,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:27:27,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:27:27,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:27:27,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:27:27,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:27:27,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:27:27,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:27:27,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:27:27,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:27:27,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:27:27,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:27:27,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:27:27,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:27:27,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:27,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:27:27,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:27:27,848 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_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca [2024-11-13 22:27:28,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:27:28,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:27:28,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:27:28,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:27:28,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:27:28,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i Unable to find full path for "g++" [2024-11-13 22:27:30,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:27:30,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:27:30,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i [2024-11-13 22:27:30,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/c24cb7ff5/b26d540f13f24f769a8c4172f0ec9ac6/FLAG2274126da [2024-11-13 22:27:30,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/c24cb7ff5/b26d540f13f24f769a8c4172f0ec9ac6 [2024-11-13 22:27:30,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:27:30,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:27:30,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:30,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:27:30,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:27:30,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:30" (1/1) ... [2024-11-13 22:27:30,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dac72d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:30, skipping insertion in model container [2024-11-13 22:27:30,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:30" (1/1) ... [2024-11-13 22:27:30,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:27:31,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:31,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:27:32,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:32,265 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:27:32,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32 WrapperNode [2024-11-13 22:27:32,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:32,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:32,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:27:32,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:27:32,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,311 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 22:27:32,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:32,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:27:32,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:27:32,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:27:32,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:27:32,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:27:32,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:27:32,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:27:32,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:27:32,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:27:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:27:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:27:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:27:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:27:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:27:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:27:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:27:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:27:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:27:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:27:32,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:27:32,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:27:32,758 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:27:32,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:27:32,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:27:32,819 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:27:32,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:32 BoogieIcfgContainer [2024-11-13 22:27:32,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:27:32,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:27:32,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:27:32,832 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:27:32,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:32" (1/1) ... [2024-11-13 22:27:32,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:27:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:27:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:27:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:27:32,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:33,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:27:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:33,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:27:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:33,261 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:27:33,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:27:33 ImpRootNode [2024-11-13 22:27:33,297 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:27:33,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:27:33,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:27:33,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:27:33,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:32" (3/4) ... [2024-11-13 22:27:33,302 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:27:33,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:27:33,306 INFO L158 Benchmark]: Toolchain (without parser) took 2541.98ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 47.4MB in the end (delta: 41.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 22:27:33,306 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:33,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.26ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 82.5MB in the end (delta: 6.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-13 22:27:33,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.13ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:33,307 INFO L158 Benchmark]: Boogie Preprocessor took 22.44ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:33,308 INFO L158 Benchmark]: RCFGBuilder took 484.35ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:33,308 INFO L158 Benchmark]: CodeCheck took 476.73ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 48.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:27:33,310 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 47.4MB in the end (delta: 577.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:33,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 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 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.26ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 82.5MB in the end (delta: 6.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.13ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.44ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.35ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 476.73ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 48.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 47.4MB in the end (delta: 577.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:27:33,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:27:36,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:27:36,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:27:36,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:27:36,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:27:36,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:27:36,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:27:36,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:27:36,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:27:36,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:27:36,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:27:36,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:27:36,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:27:36,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:27:36,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:27:36,340 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:36,340 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:27:36,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:27:36,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:36,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:27:36,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:27:36,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:27:36,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:27:36,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:36,341 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:27:36,341 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_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca [2024-11-13 22:27:36,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:27:36,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:27:36,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:27:36,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:27:36,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:27:36,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i Unable to find full path for "g++" [2024-11-13 22:27:38,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:27:39,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:27:39,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i [2024-11-13 22:27:39,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/87cc9aac7/038f5d72f45f4bd2a386307dc3850aa1/FLAG926517031 [2024-11-13 22:27:39,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/data/87cc9aac7/038f5d72f45f4bd2a386307dc3850aa1 [2024-11-13 22:27:39,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:27:39,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:27:39,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:39,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:27:39,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:27:39,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:39" (1/1) ... [2024-11-13 22:27:39,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2671bb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:39, skipping insertion in model container [2024-11-13 22:27:39,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:39" (1/1) ... [2024-11-13 22:27:39,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:27:40,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:40,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:27:40,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:40,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:27:40,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40 WrapperNode [2024-11-13 22:27:40,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:40,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:40,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:27:40,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:27:40,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,595 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 22:27:40,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:40,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:27:40,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:27:40,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:27:40,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:27:40,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:27:40,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:27:40,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:27:40,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:40" (1/1) ... [2024-11-13 22:27:40,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:27:40,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:27:40,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:27:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:27:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:27:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:27:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:27:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:27:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:27:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:27:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:27:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:27:40,923 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:27:40,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:27:41,119 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:27:41,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:27:41,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:27:41,189 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:27:41,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:41 BoogieIcfgContainer [2024-11-13 22:27:41,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:27:41,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:27:41,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:27:41,205 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:27:41,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:41" (1/1) ... [2024-11-13 22:27:41,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:27:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:27:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:27:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:27:41,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:41,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:41,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:41,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:41,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:27:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:41,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:27:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:41,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:27:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:41,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:27:41,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:27:41,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:27:41 ImpRootNode [2024-11-13 22:27:41,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:27:41,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:27:41,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:27:41,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:27:41,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:41" (3/4) ... [2024-11-13 22:27:41,866 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:27:41,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:27:41,869 INFO L158 Benchmark]: Toolchain (without parser) took 2698.63ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 80.9MB in the end (delta: 9.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 22:27:41,870 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:41,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.35ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-11-13 22:27:41,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.74ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:41,871 INFO L158 Benchmark]: Boogie Preprocessor took 42.03ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:41,871 INFO L158 Benchmark]: RCFGBuilder took 551.69ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:27:41,872 INFO L158 Benchmark]: CodeCheck took 670.82ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 80.9MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:41,872 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:41,878 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.35ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.74ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.03ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.69ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 670.82ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 80.9MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:27:41,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c2d09-3f38-4c1c-8d2c-b596bab3f1a2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample