./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_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_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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_02e8847c-04a1-4318-a33a-745027f9618b/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 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:06,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:06,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:55:06,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:06,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:06,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:06,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:06,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:06,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:06,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:06,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:06,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:06,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:06,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:06,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:06,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:06,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:06,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:06,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:06,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:06,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:06,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:06,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:06,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:06,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:06,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:06,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:06,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:06,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:06,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:06,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:06,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:06,471 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_02e8847c-04a1-4318-a33a-745027f9618b/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 -> 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 [2024-11-13 20:55:06,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:06,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:06,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:06,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:06,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:06,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 20:55:08,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:09,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:09,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i [2024-11-13 20:55:09,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/acebfb50e/3e2693f1cd6d493cb49dca1cecc70fef/FLAG67fc883a8 [2024-11-13 20:55:09,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/acebfb50e/3e2693f1cd6d493cb49dca1cecc70fef [2024-11-13 20:55:09,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:09,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:09,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:09,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:09,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:09,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:09" (1/1) ... [2024-11-13 20:55:09,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e969b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:09, skipping insertion in model container [2024-11-13 20:55:09,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:09" (1/1) ... [2024-11-13 20:55:09,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:10,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:10,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:10,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:10,737 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:10,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10 WrapperNode [2024-11-13 20:55:10,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:10,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:10,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:10,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:10,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,808 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 20:55:10,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:10,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:10,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:10,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:10,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:10,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:10,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:10,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:10,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:10" (1/1) ... [2024-11-13 20:55:10,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:10,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:10,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:10,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:11,106 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:11,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:11,254 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:11,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:11,318 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:11,318 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:11,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:11 BoogieIcfgContainer [2024-11-13 20:55:11,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:11,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:11,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:11,329 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:11,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:11" (1/1) ... [2024-11-13 20:55:11,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:55:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:55:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:55:11,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:11,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:11,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:11,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:11,598 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:11,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:11 ImpRootNode [2024-11-13 20:55:11,621 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:11,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:11,622 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:11,622 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:11,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:11" (3/4) ... [2024-11-13 20:55:11,625 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:11,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:11,627 INFO L158 Benchmark]: Toolchain (without parser) took 2185.33ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 50.7MB in the end (delta: 39.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 20:55:11,628 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:11,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1295.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:55:11,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.02ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:11,629 INFO L158 Benchmark]: Boogie Preprocessor took 34.24ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:11,629 INFO L158 Benchmark]: RCFGBuilder took 475.42ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:11,630 INFO L158 Benchmark]: CodeCheck took 301.76ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 50.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:11,630 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:11,632 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: 0.3s, 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, 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51b_badSink(data) [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1295.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.02ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.24ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.42ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 301.76ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 50.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:55:11,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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_02e8847c-04a1-4318-a33a-745027f9618b/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 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:14,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:14,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:55:14,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:14,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:14,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:14,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:14,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:14,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:14,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:14,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:55:14,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:14,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:14,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:14,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:14,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:14,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:14,509 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:55:14,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:14,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:55:14,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:14,511 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:55:14,511 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_02e8847c-04a1-4318-a33a-745027f9618b/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 -> 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 [2024-11-13 20:55:14,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:14,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:14,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:14,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:14,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:14,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 20:55:16,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:17,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:17,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i [2024-11-13 20:55:17,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/71c939035/668491bdd2e742ebb5c3a7bf2fa98200/FLAG622f20975 [2024-11-13 20:55:17,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/data/71c939035/668491bdd2e742ebb5c3a7bf2fa98200 [2024-11-13 20:55:17,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:17,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:17,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:17,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:17,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:17,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:17,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc980db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17, skipping insertion in model container [2024-11-13 20:55:17,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:17,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:18,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:18,564 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:18,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:18,857 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:18,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18 WrapperNode [2024-11-13 20:55:18,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:18,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:18,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:18,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:18,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,923 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 20:55:18,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:18,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:18,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:18,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:18,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:18,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:18,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:18,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:18,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:18,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:19,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:19,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:19,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:19,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:19,328 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:19,328 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:19,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:19,400 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:19,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:19 BoogieIcfgContainer [2024-11-13 20:55:19,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:19,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:19,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:19,419 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:19,419 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:19" (1/1) ... [2024-11-13 20:55:19,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:55:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:55:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:55:19,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:19,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:19,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:55:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:55:19,894 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:19,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:19 ImpRootNode [2024-11-13 20:55:19,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:19,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:19,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:19,931 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:19,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:19" (3/4) ... [2024-11-13 20:55:19,936 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:19,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:19,939 INFO L158 Benchmark]: Toolchain (without parser) took 2630.64ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 66.6MB in the end (delta: 15.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,940 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.24ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 60.8MB in the end (delta: 20.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.78ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,941 INFO L158 Benchmark]: Boogie Preprocessor took 44.22ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,942 INFO L158 Benchmark]: RCFGBuilder took 428.50ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 40.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,943 INFO L158 Benchmark]: CodeCheck took 528.95ms. Allocated memory is still 109.1MB. Free memory was 40.9MB in the beginning and 66.6MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,943 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,947 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51b_badSink(data) [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.24ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 60.8MB in the end (delta: 20.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.78ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.22ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.50ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 40.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 528.95ms. Allocated memory is still 109.1MB. Free memory was 40.9MB in the beginning and 66.6MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:55:19,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e8847c-04a1-4318-a33a-745027f9618b/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