./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk --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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:46:01,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:01,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:46:01,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:46:01,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:46:01,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:01,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:01,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:46:01,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:01,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:01,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:01,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:01,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:46:01,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:01,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:01,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:01,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:01,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:01,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:46:01,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:46:01,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:01,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:01,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:46:01,207 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:46:01,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:46:01,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:01,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:01,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:01,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:01,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:01,211 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:46:01,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:46:01,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2024-11-08 23:46:01,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:01,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:01,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:01,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:01,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:01,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i Unable to find full path for "g++" [2024-11-08 23:46:04,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:04,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:04,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-11-08 23:46:04,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/d64baeaf1/15684d73b8bd49ecb847d11b49f9fb06/FLAGfb97a3dca [2024-11-08 23:46:04,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/d64baeaf1/15684d73b8bd49ecb847d11b49f9fb06 [2024-11-08 23:46:04,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:04,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:04,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:04,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:04,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:04,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:04" (1/1) ... [2024-11-08 23:46:04,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b68dc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:04, skipping insertion in model container [2024-11-08 23:46:04,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:04" (1/1) ... [2024-11-08 23:46:04,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:05,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:05,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:06,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:06,270 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:06,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06 WrapperNode [2024-11-08 23:46:06,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:06,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:06,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:06,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:06,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,353 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:46:06,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:06,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:06,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:06,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:06,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:06,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:06,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:06,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:06,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:06,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:46:06,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:46:06,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:46:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:46:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:46:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:06,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:06,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:06,814 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:06,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:06,869 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:06,869 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:46:06,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06 BoogieIcfgContainer [2024-11-08 23:46:06,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:06,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:46:06,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:46:06,882 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:46:06,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:46:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:46:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:46:06,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:07,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:07,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:07,293 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:46:07,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:46:07 ImpRootNode [2024-11-08 23:46:07,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:46:07,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:46:07,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:46:07,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:46:07,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06" (3/4) ... [2024-11-08 23:46:07,337 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:46:07,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:46:07,340 INFO L158 Benchmark]: Toolchain (without parser) took 2650.38ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 117.3MB in the end (delta: 38.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,341 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 132.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:07,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1580.50ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 151.9MB in the end (delta: 3.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.26ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 148.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,344 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 195.0MB. Free memory was 148.8MB in the beginning and 147.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,345 INFO L158 Benchmark]: RCFGBuilder took 480.78ms. Allocated memory is still 195.0MB. Free memory was 147.7MB in the beginning and 133.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,347 INFO L158 Benchmark]: CodeCheck took 459.37ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 118.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:46:07,347 INFO L158 Benchmark]: Witness Printer took 8.30ms. Allocated memory is still 195.0MB. Free memory was 118.1MB in the beginning and 117.3MB in the end (delta: 836.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:07,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fscanf_predec_68_badData; [L1549] int CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 132.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1580.50ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 151.9MB in the end (delta: 3.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.26ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 148.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 195.0MB. Free memory was 148.8MB in the beginning and 147.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.78ms. Allocated memory is still 195.0MB. Free memory was 147.7MB in the beginning and 133.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 459.37ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 118.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.30ms. Allocated memory is still 195.0MB. Free memory was 118.1MB in the beginning and 117.3MB in the end (delta: 836.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:46:07,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk --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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:46:10,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:10,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:46:10,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:10,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:10,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:46:10,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:10,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:10,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:10,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:10,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:10,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:10,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:10,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:10,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:46:10,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:46:10,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:10,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:46:10,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:46:10,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:46:10,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:10,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:10,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:46:10,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:46:10,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:46:10,604 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:10,604 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:46:10,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:10,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:10,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:10,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:10,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:10,607 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:46:10,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:10,608 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:46:10,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2024-11-08 23:46:11,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:11,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:11,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:11,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:11,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:11,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i Unable to find full path for "g++" [2024-11-08 23:46:13,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:14,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:14,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-11-08 23:46:14,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/903a8cba5/755273450b5546f785bd763d1823bad7/FLAGed5dbe1b3 [2024-11-08 23:46:14,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/data/903a8cba5/755273450b5546f785bd763d1823bad7 [2024-11-08 23:46:14,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:14,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:14,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:14,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:14,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:14,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:14" (1/1) ... [2024-11-08 23:46:14,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee77731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:14, skipping insertion in model container [2024-11-08 23:46:14,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:14" (1/1) ... [2024-11-08 23:46:14,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:15,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:15,818 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:15,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:16,137 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:16,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16 WrapperNode [2024-11-08 23:46:16,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:16,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:16,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:16,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:16,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,216 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 23:46:16,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:16,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:16,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:16,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:16,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:16,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:16,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:16,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:16,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:46:16,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:46:16,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:46:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:46:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:46:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:16,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:16,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:16,780 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:16,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:16,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:16,848 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:46:16,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:16 BoogieIcfgContainer [2024-11-08 23:46:16,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:16,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:46:16,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:46:16,863 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:46:16,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:16" (1/1) ... [2024-11-08 23:46:16,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:46:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:46:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:46:16,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:16,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:16,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:16,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:46:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:17,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:17,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:17,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:46:17,306 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:46:17,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:46:17 ImpRootNode [2024-11-08 23:46:17,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:46:17,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:46:17,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:46:17,339 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:46:17,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:16" (3/4) ... [2024-11-08 23:46:17,343 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:46:17,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:46:17,346 INFO L158 Benchmark]: Toolchain (without parser) took 2925.04ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 70.9MB in the end (delta: -23.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,347 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:17,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1715.29ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 48.4MB in the end (delta: -1.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.66ms. Allocated memory is still 102.8MB. Free memory was 48.4MB in the beginning and 73.2MB in the end (delta: -24.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,349 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,350 INFO L158 Benchmark]: RCFGBuilder took 584.82ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 55.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,351 INFO L158 Benchmark]: CodeCheck took 486.13ms. Allocated memory is still 102.8MB. Free memory was 55.4MB in the beginning and 71.4MB in the end (delta: -16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:46:17,352 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 102.8MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:17,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1715.29ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 48.4MB in the end (delta: -1.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.66ms. Allocated memory is still 102.8MB. Free memory was 48.4MB in the beginning and 73.2MB in the end (delta: -24.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.82ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 55.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 486.13ms. Allocated memory is still 102.8MB. Free memory was 55.4MB in the beginning and 71.4MB in the end (delta: -16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 102.8MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:46:17,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8687e4-5b1f-4c2d-bb27-cd802f8527f9/bin/ukojak-verify-ImItNfHLgk/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