./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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 a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:51,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:51,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:04:51,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:04:51,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:04:51,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:51,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:51,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:51,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:51,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:51,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:51,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:51,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:51,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:51,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:51,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:51,804 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:51,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:51,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:51,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:51,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:51,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:51,808 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:04:51,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:04:51,809 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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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 -> a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b [2024-11-13 22:04:52,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:52,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:52,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:52,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:52,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:52,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i Unable to find full path for "g++" [2024-11-13 22:04:54,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:54,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:54,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i [2024-11-13 22:04:54,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/60bdf3caa/16f7796d669e433fb7f24c5a6180a3d4/FLAG7911ac18f [2024-11-13 22:04:54,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/60bdf3caa/16f7796d669e433fb7f24c5a6180a3d4 [2024-11-13 22:04:54,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:54,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:54,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:54,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:54,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:54,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:54" (1/1) ... [2024-11-13 22:04:54,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710e6d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:54, skipping insertion in model container [2024-11-13 22:04:54,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:54" (1/1) ... [2024-11-13 22:04:54,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:55,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:55,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:55,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:55,906 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:55,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55 WrapperNode [2024-11-13 22:04:55,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:55,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:55,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:55,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:55,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,976 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-13 22:04:55,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:55,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:55,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:55,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:55,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:55,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:56,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:56,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:56,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:56,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:56,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:56,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:56,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:56,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:55" (1/1) ... [2024-11-13 22:04:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:56,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:04:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:04:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:56,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:56,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:56,392 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:56,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:56,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:56,458 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:04:56,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:56 BoogieIcfgContainer [2024-11-13 22:04:56,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:56,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:56,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:56,469 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:56,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:56" (1/1) ... [2024-11-13 22:04:56,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:04:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:04:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:04:56,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:56,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:56,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:56,812 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:04:56,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:04:56 ImpRootNode [2024-11-13 22:04:56,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:04:56,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:04:56,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:04:56,852 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:04:56,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:56" (3/4) ... [2024-11-13 22:04:56,855 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:04:56,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:04:56,861 INFO L158 Benchmark]: Toolchain (without parser) took 2338.81ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 75.7MB in the end (delta: 40.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 22:04:56,862 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:56,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.52ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 22:04:56,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.13ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:56,863 INFO L158 Benchmark]: Boogie Preprocessor took 34.82ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:56,863 INFO L158 Benchmark]: RCFGBuilder took 444.10ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:56,865 INFO L158 Benchmark]: CodeCheck took 389.98ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 75.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:56,866 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 142.6MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:56,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.54ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.52ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.13ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.82ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.10ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 389.98ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 75.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 142.6MB. Free memory is still 75.7MB. 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 22:04:56,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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 a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:59,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:59,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:04:59,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:59,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:59,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:59,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:59,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:59,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:59,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:59,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:59,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:59,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:59,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:59,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:59,831 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:59,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:59,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:59,831 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,831 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:04:59,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:59,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:59,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:59,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:59,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:59,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:04:59,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:04:59,832 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_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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 -> a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b [2024-11-13 22:05:00,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:00,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:00,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:00,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:00,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:00,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i Unable to find full path for "g++" [2024-11-13 22:05:02,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:02,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:02,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i [2024-11-13 22:05:02,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/cd7cc56b8/006b49b961e04d2182d61453bc79a9f7/FLAG0820365af [2024-11-13 22:05:02,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/data/cd7cc56b8/006b49b961e04d2182d61453bc79a9f7 [2024-11-13 22:05:02,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:02,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:02,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:02,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:02,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:02,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:02" (1/1) ... [2024-11-13 22:05:02,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ff3abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:02, skipping insertion in model container [2024-11-13 22:05:02,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:02" (1/1) ... [2024-11-13 22:05:02,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:03,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:03,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:04,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:04,284 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:04,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04 WrapperNode [2024-11-13 22:05:04,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:04,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:04,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:04,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:04,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,349 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:05:04,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:04,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:04,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:04,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:04,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:04,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:04,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:04,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:04,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:04,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:04,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:04,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:04,598 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:04,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:04,719 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:04,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:04,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:04,792 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:04,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:04 BoogieIcfgContainer [2024-11-13 22:05:04,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:04,794 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:04,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:04,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:04,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:04" (1/1) ... [2024-11-13 22:05:04,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:05:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:05:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:05:04,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:04,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:04,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:04,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:05:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:05,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:05,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:05,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:05,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:05,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:05 ImpRootNode [2024-11-13 22:05:05,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:05,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:05,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:05,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:05,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:04" (3/4) ... [2024-11-13 22:05:05,287 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:05,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:05,289 INFO L158 Benchmark]: Toolchain (without parser) took 2522.21ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 43.2MB in the end (delta: 14.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 22:05:05,292 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:05,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.47ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.5MB in the end (delta: 4.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:05:05,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.18ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:05,293 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:05,294 INFO L158 Benchmark]: RCFGBuilder took 412.90ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 32.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:05,294 INFO L158 Benchmark]: CodeCheck took 488.44ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 43.2MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:05,294 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:05,296 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.47ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.5MB in the end (delta: 4.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.18ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.82ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.90ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 32.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 488.44ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 43.2MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:05:05,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4821c54-fd8c-4dbb-9aff-a43ff5d96395/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