./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_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_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b --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 8e2b95647f9d5e8deb3607e9a0dd50e4a2044f4ead4b893a1dc106b4f32c7634 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:42,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:43,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:34:43,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:34:43,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:34:43,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:43,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:43,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:43,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:43,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:43,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:43,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:43,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:34:43,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:43,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:43,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:43,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:43,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:43,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:43,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:43,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:43,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:34:43,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:34:43,043 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_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b 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 -> 8e2b95647f9d5e8deb3607e9a0dd50e4a2044f4ead4b893a1dc106b4f32c7634 [2024-12-05 22:34:43,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:43,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:43,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:43,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:43,284 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:43,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i [2024-12-05 22:34:45,926 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/8e9ddc0a7/f5471d73c1d94270b2c0c7abf41bb5be/FLAG92b36c063 [2024-12-05 22:34:46,216 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:46,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i [2024-12-05 22:34:46,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/8e9ddc0a7/f5471d73c1d94270b2c0c7abf41bb5be/FLAG92b36c063 [2024-12-05 22:34:46,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/8e9ddc0a7/f5471d73c1d94270b2c0c7abf41bb5be [2024-12-05 22:34:46,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:46,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:46,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:46,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:46,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:46,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:46" (1/1) ... [2024-12-05 22:34:46,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d21fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:46, skipping insertion in model container [2024-12-05 22:34:46,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:46" (1/1) ... [2024-12-05 22:34:46,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:47,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:47,136 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:47,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:47,299 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:47,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47 WrapperNode [2024-12-05 22:34:47,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:47,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:47,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:47,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:47,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,347 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-05 22:34:47,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:47,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:47,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:47,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:47,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,361 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:47,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:47,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:47,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:47,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:47,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:47,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:34:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:34:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:34:47,525 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:47,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:47,625 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:47,625 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:47,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:47,655 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:34:47,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:47 BoogieIcfgContainer [2024-12-05 22:34:47,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:47,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:47,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:47,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:47,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:47" (1/1) ... [2024-12-05 22:34:47,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:34:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:34:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:34:47,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-12-05 22:34:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 22:34:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:34:47,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:47,978 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:48,050 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:48,077 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:34:48,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:34:48 ImpRootNode [2024-12-05 22:34:48,099 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:34:48,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:34:48,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:34:48,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:34:48,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:47" (3/4) ... [2024-12-05 22:34:48,102 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:34:48,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:34:48,104 INFO L158 Benchmark]: Toolchain (without parser) took 1599.47ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 70.5MB in the end (delta: 43.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 22:34:48,104 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:48,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.13ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 54.8MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:34:48,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 113.0MB in the end (delta: -58.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-05 22:34:48,105 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:48,105 INFO L158 Benchmark]: RCFGBuilder took 287.87ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 97.7MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:34:48,106 INFO L158 Benchmark]: CodeCheck took 442.61ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 70.5MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:34:48,106 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:48,109 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_predec_04_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.13ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 54.8MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.88ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 113.0MB in the end (delta: -58.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.87ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 97.7MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 442.61ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 70.5MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:34:48,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/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_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b --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 8e2b95647f9d5e8deb3607e9a0dd50e4a2044f4ead4b893a1dc106b4f32c7634 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:50,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:50,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:34:50,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:50,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:50,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:50,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:50,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:50,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:50,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:50,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:34:50,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:50,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:50,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:34:50,155 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_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b 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 -> 8e2b95647f9d5e8deb3607e9a0dd50e4a2044f4ead4b893a1dc106b4f32c7634 [2024-12-05 22:34:50,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:50,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:50,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:50,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:50,388 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:50,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i [2024-12-05 22:34:53,104 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/dcd85ab4d/fab0f035a7a34ec59b958287b2725954/FLAG114df9547 [2024-12-05 22:34:53,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:53,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_bad.i [2024-12-05 22:34:53,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/dcd85ab4d/fab0f035a7a34ec59b958287b2725954/FLAG114df9547 [2024-12-05 22:34:53,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/data/dcd85ab4d/fab0f035a7a34ec59b958287b2725954 [2024-12-05 22:34:53,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:53,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:53,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:53,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:53,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:53,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:53" (1/1) ... [2024-12-05 22:34:53,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e4c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:53, skipping insertion in model container [2024-12-05 22:34:53,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:53" (1/1) ... [2024-12-05 22:34:53,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:54,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:54,139 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:54,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:54,332 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:54,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54 WrapperNode [2024-12-05 22:34:54,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:54,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:54,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:54,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:54,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,373 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-12-05 22:34:54,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:54,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:54,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:54,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:54,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:54,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:54,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:54,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:54,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:54,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:54,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:34:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:34:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:34:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:34:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:54,564 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:54,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:54,673 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:54,673 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:54,708 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:54,708 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:34:54,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:54 BoogieIcfgContainer [2024-12-05 22:34:54,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:54,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:54,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:54,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:54,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:54" (1/1) ... [2024-12-05 22:34:54,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:34:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:34:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:34:54,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:54,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:54,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:54,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:34:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:54,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:54,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:54,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:54,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:34:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-05 22:34:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-05 22:34:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:34:54,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:54,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:54,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:54,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:54,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:34:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:55,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:55,206 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:55,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:34:55,241 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:34:55,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:34:55 ImpRootNode [2024-12-05 22:34:55,266 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:34:55,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:34:55,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:34:55,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:34:55,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:54" (3/4) ... [2024-12-05 22:34:55,270 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:34:55,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:34:55,272 INFO L158 Benchmark]: Toolchain (without parser) took 1854.18ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 45.9MB in the end (delta: 20.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-05 22:34:55,272 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:55,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.90ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.9MB in the end (delta: 4.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-05 22:34:55,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.37ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:55,273 INFO L158 Benchmark]: Boogie Preprocessor took 24.17ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:55,273 INFO L158 Benchmark]: RCFGBuilder took 309.91ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 41.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:34:55,274 INFO L158 Benchmark]: CodeCheck took 557.13ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 46.5MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:55,274 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 45.9MB in the end (delta: 525.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:55,276 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_predec_04_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.90ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.9MB in the end (delta: 4.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.37ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.17ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.91ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 41.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 557.13ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 46.5MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 45.9MB in the end (delta: 525.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:34:55,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289c61-6069-48d4-9cd2-619874ba28d7/bin/ukojak-verify-CZk0znPC7b/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