./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:21,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:21,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:49:21,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:49:21,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:49:22,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:22,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:22,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:22,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:22,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:22,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:22,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:22,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:49:22,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:49:22,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:22,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:22,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:22,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:22,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:22,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:22,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:22,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:22,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:22,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:22,047 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:49:22,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:49:22,048 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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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 -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2024-11-13 16:49:22,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:22,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:22,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:22,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:22,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:22,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i Unable to find full path for "g++" [2024-11-13 16:49:24,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:25,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:25,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-11-13 16:49:25,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/4b343ef75/7516d42d479e4aa4bbb828b2906e8197/FLAGe7d34322f [2024-11-13 16:49:25,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/4b343ef75/7516d42d479e4aa4bbb828b2906e8197 [2024-11-13 16:49:25,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:25,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:25,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:25,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:25,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:25,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:25" (1/1) ... [2024-11-13 16:49:25,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725378cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:25, skipping insertion in model container [2024-11-13 16:49:25,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:25" (1/1) ... [2024-11-13 16:49:25,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:26,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:26,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:26,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:27,141 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:27,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27 WrapperNode [2024-11-13 16:49:27,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:27,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:27,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:27,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:27,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,221 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 49 [2024-11-13 16:49:27,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:27,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:27,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:27,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:27,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:27,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:27,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:27,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:27,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:27,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:27,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:27,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:49:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:49:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:27,512 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:27,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:27,665 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:27,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:27,711 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:27,711 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:49:27,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:27 BoogieIcfgContainer [2024-11-13 16:49:27,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:27,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:27,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:27,725 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:27,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:27,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:49:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:49:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:49:27,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:27,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:49:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:27,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:28,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:28,134 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:49:28,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:49:28 ImpRootNode [2024-11-13 16:49:28,171 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:49:28,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:49:28,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:49:28,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:49:28,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:27" (3/4) ... [2024-11-13 16:49:28,177 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:49:28,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:49:28,180 INFO L158 Benchmark]: Toolchain (without parser) took 2734.83ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 48.0MB in the end (delta: 40.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,180 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1693.95ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 79.0MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.54ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,182 INFO L158 Benchmark]: Boogie Preprocessor took 27.37ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 76.0MB in the end (delta: 738.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,183 INFO L158 Benchmark]: RCFGBuilder took 461.46ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 62.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,183 INFO L158 Benchmark]: CodeCheck took 458.73ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 48.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,184 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 117.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1693.95ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 79.0MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.54ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.37ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 76.0MB in the end (delta: 738.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.46ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 62.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 458.73ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 48.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 117.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:49:28,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:31,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:31,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:49:31,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:31,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:31,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:31,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:31,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:31,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:31,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:31,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:31,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:31,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:49:31,818 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:49:31,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:49:31,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:31,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:31,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:31,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:31,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:31,819 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:31,819 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:49:31,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:31,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:31,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:31,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:31,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:31,820 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:49:31,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:31,821 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:49:31,821 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_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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 -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2024-11-13 16:49:32,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:32,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:32,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:32,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:32,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:32,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i Unable to find full path for "g++" [2024-11-13 16:49:34,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:34,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:34,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-11-13 16:49:34,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/eacde87ee/bc043c09ab3743cf8965690f4d3bd2cd/FLAG803768651 [2024-11-13 16:49:35,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/data/eacde87ee/bc043c09ab3743cf8965690f4d3bd2cd [2024-11-13 16:49:35,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:35,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:35,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:35,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:35,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:35,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:35" (1/1) ... [2024-11-13 16:49:35,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0788d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:35, skipping insertion in model container [2024-11-13 16:49:35,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:35" (1/1) ... [2024-11-13 16:49:35,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:36,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:36,312 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:36,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:36,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:36,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36 WrapperNode [2024-11-13 16:49:36,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:36,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:36,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:36,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:36,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,728 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 48 [2024-11-13 16:49:36,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:36,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:36,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:36,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:36,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:36,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:36,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:36,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:36,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:36,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:36,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:36,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:49:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:49:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:37,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:37,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:37,233 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:37,233 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:37,309 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:37,314 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:49:37,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:37 BoogieIcfgContainer [2024-11-13 16:49:37,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:37,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:37,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:37,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:37,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:37" (1/1) ... [2024-11-13 16:49:37,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:49:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:49:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:49:37,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:37,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:37,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:37,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:37,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:49:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:37,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:37,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:37,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:49:37,888 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:49:37,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:49:37 ImpRootNode [2024-11-13 16:49:37,935 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:49:37,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:49:37,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:49:37,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:49:37,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:37" (3/4) ... [2024-11-13 16:49:37,942 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:49:37,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:49:37,944 INFO L158 Benchmark]: Toolchain (without parser) took 2905.53ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 41.2MB in the end (delta: 14.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-13 16:49:37,945 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:37,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1616.78ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 50.1MB in the end (delta: 5.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:37,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.63ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:37,946 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:37,947 INFO L158 Benchmark]: RCFGBuilder took 548.91ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 30.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:37,947 INFO L158 Benchmark]: CodeCheck took 619.72ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 41.7MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:37,950 INFO L158 Benchmark]: Witness Printer took 7.78ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 425.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:37,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1616.78ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 50.1MB in the end (delta: 5.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.63ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 548.91ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 30.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 619.72ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 41.7MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.78ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 425.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:49:37,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21c2b59-4dd6-464a-be2d-b12bd12b2d4b/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