./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_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_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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_1dc12b17-ecac-4e61-abf5-70e08301f98b/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 b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:33:07,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:33:07,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:33:07,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:33:07,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:33:07,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:33:07,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:33:07,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:33:07,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:33:07,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:33:07,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:33:07,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:33:07,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:33:07,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:33:07,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:33:07,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:33:07,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:33:07,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:33:07,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:07,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:33:07,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:33:07,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:33:07,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:33:07,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:33:07,179 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_1dc12b17-ecac-4e61-abf5-70e08301f98b/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 -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2024-11-13 20:33:07,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:33:07,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:33:07,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:33:07,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:33:07,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:33:07,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i Unable to find full path for "g++" [2024-11-13 20:33:09,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:09,968 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:09,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-11-13 20:33:10,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/45ee5ee85/87b40b97f9a44e81bf73ae0c75ddbab1/FLAGa12ee7b46 [2024-11-13 20:33:10,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/45ee5ee85/87b40b97f9a44e81bf73ae0c75ddbab1 [2024-11-13 20:33:10,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:10,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:10,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:10,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:10,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:10,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:10" (1/1) ... [2024-11-13 20:33:10,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fab353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:10, skipping insertion in model container [2024-11-13 20:33:10,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:10" (1/1) ... [2024-11-13 20:33:10,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:11,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:11,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:11,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:11,354 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:11,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11 WrapperNode [2024-11-13 20:33:11,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:11,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:11,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:11,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:11,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,433 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 20:33:11,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:11,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:11,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:11,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:11,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:11,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:11,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:11,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:11,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:11,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:11,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:11,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:33:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:33:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 20:33:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 20:33:11,773 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:11,775 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:11,930 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:11,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:11,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:11,982 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:33:11,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:11 BoogieIcfgContainer [2024-11-13 20:33:11,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:11,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:11,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:11,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:11,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:11" (1/1) ... [2024-11-13 20:33:12,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 20:33:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 20:33:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:33:12,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:12,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:12,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:12,348 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:33:12,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:12 ImpRootNode [2024-11-13 20:33:12,394 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:12,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:12,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:12,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:12,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:11" (3/4) ... [2024-11-13 20:33:12,404 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:33:12,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:12,406 INFO L158 Benchmark]: Toolchain (without parser) took 2366.45ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 90.9MB in the end (delta: 24.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 20:33:12,407 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:12,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1314.39ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:33:12,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.65ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:12,408 INFO L158 Benchmark]: Boogie Preprocessor took 38.71ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.4MB in the end (delta: 927.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:12,408 INFO L158 Benchmark]: RCFGBuilder took 508.46ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 106.1MB in the end (delta: -53.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 20:33:12,409 INFO L158 Benchmark]: CodeCheck took 411.40ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 90.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:12,409 INFO L158 Benchmark]: Witness Printer took 9.81ms. Allocated memory is still 142.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:12,412 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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: 1567]: 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 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1314.39ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.65ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.71ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.4MB in the end (delta: 927.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.46ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 106.1MB in the end (delta: -53.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 411.40ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 90.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.81ms. Allocated memory is still 142.6MB. Free memory is still 90.9MB. 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 20:33:12,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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_1dc12b17-ecac-4e61-abf5-70e08301f98b/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 b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:33:15,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:33:15,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:33:15,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:33:15,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:33:15,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:33:15,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:33:15,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:33:15,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:33:15,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:33:15,299 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:33:15,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:33:15,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:33:15,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:33:15,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:33:15,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:33:15,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:33:15,301 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:33:15,301 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,301 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:33:15,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:33:15,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:15,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:33:15,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:33:15,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:33:15,302 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:33:15,302 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,302 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:33:15,302 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_1dc12b17-ecac-4e61-abf5-70e08301f98b/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 -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2024-11-13 20:33:15,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:33:15,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:33:15,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:33:15,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:33:15,628 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:33:15,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i Unable to find full path for "g++" [2024-11-13 20:33:17,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:17,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:17,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-11-13 20:33:17,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/2e803075b/e6439172e60046b78239986a69c7c57b/FLAG71cd37a09 [2024-11-13 20:33:18,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/data/2e803075b/e6439172e60046b78239986a69c7c57b [2024-11-13 20:33:18,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:18,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:18,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:18,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:18,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:18,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64872863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18, skipping insertion in model container [2024-11-13 20:33:18,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:19,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:19,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:19,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:19,385 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:19,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19 WrapperNode [2024-11-13 20:33:19,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:19,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:19,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:19,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:19,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,463 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 20:33:19,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:19,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:19,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:19,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:19,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:19,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:19,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:19,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:19,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:19" (1/1) ... [2024-11-13 20:33:19,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:19,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:19,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:19,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:33:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:33:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 20:33:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 20:33:19,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:19,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:19,979 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:19,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:20,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:20,029 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:33:20,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:20 BoogieIcfgContainer [2024-11-13 20:33:20,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:20,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:20,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:20,042 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:20,042 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:20" (1/1) ... [2024-11-13 20:33:20,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 20:33:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 20:33:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:33:20,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:20,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:20,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:20,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:20,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:33:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:20,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:20,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:20,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:33:20,527 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:33:20,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:20 ImpRootNode [2024-11-13 20:33:20,567 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:20,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:20,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:20,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:20,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:20" (3/4) ... [2024-11-13 20:33:20,572 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:33:20,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:20,574 INFO L158 Benchmark]: Toolchain (without parser) took 2560.54ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 39.8MB in the end (delta: 17.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 20:33:20,575 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:20,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.44ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 20:33:20,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.47ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:20,579 INFO L158 Benchmark]: Boogie Preprocessor took 40.37ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:20,580 INFO L158 Benchmark]: RCFGBuilder took 524.05ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 31.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:20,580 INFO L158 Benchmark]: CodeCheck took 536.96ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 39.8MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:20,580 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:20,583 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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: 1567]: 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 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.44ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.47ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.37ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.05ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 31.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 536.96ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 39.8MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 6.5kB). 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 20:33:20,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12b17-ecac-4e61-abf5-70e08301f98b/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