./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:44:23,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:44:23,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:44:23,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:44:23,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:44:23,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:44:23,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:44:23,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:44:23,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:44:23,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:44:23,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:44:23,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:44:23,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:44:23,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:44:23,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:44:23,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:44:23,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:44:23,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:44:23,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:23,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:44:23,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:44:23,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:44:23,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:44:23,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:44:23,344 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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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 -> 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c [2024-11-13 22:44:23,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:44:23,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:44:23,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:44:23,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:44:23,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:44:23,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 22:44:25,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:44:26,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:44:26,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i [2024-11-13 22:44:26,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/c1e3a884e/a62ae237d0624589aa7e185a54a60a3e/FLAG2aee4769f [2024-11-13 22:44:26,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/c1e3a884e/a62ae237d0624589aa7e185a54a60a3e [2024-11-13 22:44:26,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:44:26,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:44:26,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:26,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:44:26,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:44:26,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:26" (1/1) ... [2024-11-13 22:44:26,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3109b5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:26, skipping insertion in model container [2024-11-13 22:44:26,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:26" (1/1) ... [2024-11-13 22:44:26,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:44:27,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:27,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:44:27,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:27,639 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:44:27,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27 WrapperNode [2024-11-13 22:44:27,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:27,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:27,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:44:27,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:44:27,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,691 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:44:27,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:27,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:44:27,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:44:27,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:44:27,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:44:27,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:44:27,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:44:27,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:44:27,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:27" (1/1) ... [2024-11-13 22:44:27,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:27,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:44:27,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:44:27,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:44:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:44:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:44:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:44:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:44:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:44:27,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:44:27,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:44:28,051 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:44:28,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:44:28,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:44:28,091 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:44:28,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:28 BoogieIcfgContainer [2024-11-13 22:44:28,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:44:28,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:44:28,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:44:28,102 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:44:28,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:28" (1/1) ... [2024-11-13 22:44:28,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:44:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:44:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:44:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:44:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:44:28,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:44:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:44:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:28,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:44:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:28,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:44:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:28,434 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:44:28,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:44:28 ImpRootNode [2024-11-13 22:44:28,457 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:44:28,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:44:28,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:44:28,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:44:28,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:28" (3/4) ... [2024-11-13 22:44:28,461 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:44:28,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:44:28,463 INFO L158 Benchmark]: Toolchain (without parser) took 2210.45ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 50.1MB in the end (delta: 39.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 22:44:28,463 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:28,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.52ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 82.6MB in the end (delta: 6.9MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 22:44:28,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:28,464 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:28,465 INFO L158 Benchmark]: RCFGBuilder took 376.20ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 64.9MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:28,465 INFO L158 Benchmark]: CodeCheck took 365.01ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:44:28,465 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 50.1MB in the end (delta: 543.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:28,468 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: 0.3s, 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, 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] --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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.52ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 82.6MB in the end (delta: 6.9MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.20ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 64.9MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 365.01ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 50.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 50.1MB in the end (delta: 543.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:44:28,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:44:31,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:44:31,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:44:31,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:44:31,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:44:31,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:44:31,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:44:31,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:44:31,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:44:31,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:44:31,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:44:31,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:44:31,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:44:31,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:44:31,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:44:31,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:44:31,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:44:31,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:44:31,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:44:31,367 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:44:31,368 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:44:31,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:44:31,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:31,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:44:31,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:44:31,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:44:31,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:44:31,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:44:31,369 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:44:31,369 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_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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 -> 3b335bd1e889f63fbb72e04a74639a79964c1bf7040464983ae515ed35c5da1c [2024-11-13 22:44:31,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:44:31,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:44:31,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:44:31,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:44:31,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:44:31,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 22:44:33,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:44:34,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:44:34,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_09_bad.i [2024-11-13 22:44:34,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/29fd4b654/b754798d33f74fc3bd3609f58d31f402/FLAGd7327b4f1 [2024-11-13 22:44:34,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/data/29fd4b654/b754798d33f74fc3bd3609f58d31f402 [2024-11-13 22:44:34,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:44:34,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:44:34,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:34,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:44:34,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:44:34,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:34" (1/1) ... [2024-11-13 22:44:34,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6b4128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:34, skipping insertion in model container [2024-11-13 22:44:34,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:34" (1/1) ... [2024-11-13 22:44:34,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:44:35,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:35,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:44:35,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:35,497 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:44:35,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35 WrapperNode [2024-11-13 22:44:35,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:35,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:35,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:44:35,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:44:35,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,573 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 22:44:35,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:35,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:44:35,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:44:35,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:44:35,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:44:35,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:44:35,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:44:35,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:44:35,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:35" (1/1) ... [2024-11-13 22:44:35,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:35,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:44:35,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:44:35,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:44:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:44:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:44:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:44:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:44:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:44:35,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:44:35,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:44:35,991 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:44:35,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:44:36,058 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:44:36,058 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:44:36,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:36 BoogieIcfgContainer [2024-11-13 22:44:36,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:44:36,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:44:36,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:44:36,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:44:36,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:36" (1/1) ... [2024-11-13 22:44:36,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:44:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:44:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:44:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:44:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:44:36,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:44:36,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:44:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:44:36,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:44:36,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:44:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:36,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:44:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:36,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:44:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:44:36,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:44:36,533 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:44:36,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:44:36 ImpRootNode [2024-11-13 22:44:36,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:44:36,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:44:36,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:44:36,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:44:36,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:36" (3/4) ... [2024-11-13 22:44:36,570 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:44:36,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:44:36,572 INFO L158 Benchmark]: Toolchain (without parser) took 2388.72ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-13 22:44:36,572 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:36,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1312.89ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.9MB in the end (delta: 12.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:44:36,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.13ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:36,573 INFO L158 Benchmark]: Boogie Preprocessor took 45.10ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:36,573 INFO L158 Benchmark]: RCFGBuilder took 439.43ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 57.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:44:36,574 INFO L158 Benchmark]: CodeCheck took 506.78ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 82.3MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:36,574 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:36,576 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] --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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1312.89ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.9MB in the end (delta: 12.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.13ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.10ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.43ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 57.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 506.78ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 82.3MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:44:36,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbaf97ba-e576-4fa3-8f61-72432fb39a50/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