./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3 --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 dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:20:31,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:20:31,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:20:31,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:20:31,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:20:31,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:20:31,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:20:31,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:20:31,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:20:31,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:20:31,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:20:31,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:20:31,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:20:31,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:20:31,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:20:31,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:20:31,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:20:31,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:20:31,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:20:31,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:20:31,185 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:20:31,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:20:31,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:20:31,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:20:31,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:20:31,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:20:31,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:20:31,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:20:31,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:20:31,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:20:31,186 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:20:31,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:20:31,186 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_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3 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 -> dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 [2024-11-24 18:20:31,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:20:31,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:20:31,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:20:31,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:20:31,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:20:31,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2024-11-24 18:20:34,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/data/4e6f336f7/93079bfdef3b4ee1afd77d18ecac6a89/FLAGe3d4f30ba [2024-11-24 18:20:34,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:20:34,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2024-11-24 18:20:34,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/data/4e6f336f7/93079bfdef3b4ee1afd77d18ecac6a89/FLAGe3d4f30ba [2024-11-24 18:20:34,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/data/4e6f336f7/93079bfdef3b4ee1afd77d18ecac6a89 [2024-11-24 18:20:34,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:20:34,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:20:34,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:20:34,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:20:34,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:20:34,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:20:34" (1/1) ... [2024-11-24 18:20:34,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f2d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:34, skipping insertion in model container [2024-11-24 18:20:34,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:20:34" (1/1) ... [2024-11-24 18:20:34,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:20:35,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:20:35,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:20:35,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:20:36,011 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:20:36,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36 WrapperNode [2024-11-24 18:20:36,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:20:36,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:20:36,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:20:36,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:20:36,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,056 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-24 18:20:36,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:20:36,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:20:36,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:20:36,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:20:36,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:20:36,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:20:36,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:20:36,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:20:36,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:20:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:20:36,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:20:36,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:20:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:20:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:20:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:20:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:20:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:20:36,320 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:20:36,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:20:36,441 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-24 18:20:36,441 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:20:36,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:20:36,485 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:20:36,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:36 BoogieIcfgContainer [2024-11-24 18:20:36,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:20:36,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:20:36,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:20:36,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:20:36,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:36" (1/1) ... [2024-11-24 18:20:36,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:20:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:20:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:20:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:20:36,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:20:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:36,678 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:20:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:36,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:20:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:36,774 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:20:36,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:20:36 ImpRootNode [2024-11-24 18:20:36,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:20:36,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:20:36,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:20:36,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:20:36,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:36" (3/4) ... [2024-11-24 18:20:36,797 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:20:36,854 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-24 18:20:36,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:20:36,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:20:36,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:20:36,901 INFO L158 Benchmark]: Toolchain (without parser) took 2045.51ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 48.0MB in the end (delta: 41.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-24 18:20:36,901 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:36,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.72ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 83.3MB in the end (delta: 6.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-24 18:20:36,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:20:36,902 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:36,903 INFO L158 Benchmark]: RCFGBuilder took 410.55ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:20:36,903 INFO L158 Benchmark]: CodeCheck took 305.63ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:20:36,904 INFO L158 Benchmark]: Witness Printer took 104.32ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 48.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:36,906 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1155.72ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 83.3MB in the end (delta: 6.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.55ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 305.63ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 104.32ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 48.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:20:36,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab00bd8-8ea2-4b3e-8e08-25e69ca28512/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)