./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_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_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/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_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/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_de82359b-9e52-475a-956f-3459bb9fe935/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 be67b078fbc5a0344bbc2977b42edb60a0a95dc77f0b12151b8c189fb28fd0c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:28:40,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:28:40,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:28:40,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:28:40,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:28:40,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:28:40,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:28:40,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:28:40,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:28:40,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:28:40,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:28:40,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:28:40,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:28:40,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:28:40,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:28:40,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:28:40,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:28:40,949 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:28:40,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:28:40,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:28:40,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:28:40,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:28:40,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:28:40,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:28:40,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:28:40,951 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:28:40,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:28:40,951 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_de82359b-9e52-475a-956f-3459bb9fe935/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 -> be67b078fbc5a0344bbc2977b42edb60a0a95dc77f0b12151b8c189fb28fd0c9 [2024-11-25 04:28:41,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:28:41,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:28:41,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:28:41,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:28:41,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:28:41,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i [2024-11-25 04:28:44,582 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/1536b6d14/85164ea3dc2546168f764ddae708ea60/FLAGcec020592 [2024-11-25 04:28:45,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:28:45,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i [2024-11-25 04:28:45,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/1536b6d14/85164ea3dc2546168f764ddae708ea60/FLAGcec020592 [2024-11-25 04:28:45,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/1536b6d14/85164ea3dc2546168f764ddae708ea60 [2024-11-25 04:28:45,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:28:45,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:28:45,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:28:45,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:28:45,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:28:45,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:28:45" (1/1) ... [2024-11-25 04:28:45,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b572f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:45, skipping insertion in model container [2024-11-25 04:28:45,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:28:45" (1/1) ... [2024-11-25 04:28:45,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:28:46,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:28:46,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:28:46,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:28:46,949 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:28:46,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46 WrapperNode [2024-11-25 04:28:46,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:28:46,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:28:46,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:28:46,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:28:46,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:46,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,034 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-25 04:28:47,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:28:47,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:28:47,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:28:47,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:28:47,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,062 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:28:47,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:28:47,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:28:47,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:28:47,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:46" (1/1) ... [2024-11-25 04:28:47,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:28:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:28:47,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:28:47,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:28:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:28:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:28:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:28:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:28:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:28:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 04:28:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 04:28:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:28:47,314 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:28:47,317 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:28:47,477 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 04:28:47,477 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:28:47,521 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:28:47,521 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:28:47,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:47 BoogieIcfgContainer [2024-11-25 04:28:47,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:28:47,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:28:47,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:28:47,538 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:28:47,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:47" (1/1) ... [2024-11-25 04:28:47,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:28:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-25 04:28:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-25 04:28:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:28:47,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:47,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:28:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-25 04:28:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 04:28:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:28:48,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:48,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:48,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:28:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:48,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:28:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:48,484 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:28:48,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:28:48 ImpRootNode [2024-11-25 04:28:48,517 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:28:48,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:28:48,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:28:48,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:28:48,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:47" (3/4) ... [2024-11-25 04:28:48,521 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:28:48,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:28:48,524 INFO L158 Benchmark]: Toolchain (without parser) took 3184.31ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.7MB in the beginning and 315.2MB in the end (delta: -225.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-25 04:28:48,524 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:48,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.12ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-25 04:28:48,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.85ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:28:48,526 INFO L158 Benchmark]: Boogie Preprocessor took 48.91ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:48,526 INFO L158 Benchmark]: RCFGBuilder took 436.55ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 61.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:28:48,527 INFO L158 Benchmark]: CodeCheck took 993.93ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.1MB in the beginning and 315.2MB in the end (delta: -254.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:48,527 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 352.3MB. Free memory was 315.2MB in the beginning and 315.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:48,530 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of fgets at line 1564. 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); [L1586] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1586] 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] [L1587] CALL CWE191_Integer_Underflow__int_fgets_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1577] --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 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1609.12ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.85ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.91ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.55ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 61.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 993.93ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.1MB in the beginning and 315.2MB in the end (delta: -254.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 352.3MB. Free memory was 315.2MB in the beginning and 315.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:28:48,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/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_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/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_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/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 be67b078fbc5a0344bbc2977b42edb60a0a95dc77f0b12151b8c189fb28fd0c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:28:51,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:28:51,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:28:51,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:28:51,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:28:51,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:28:51,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:28:51,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:28:51,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:28:51,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:28:51,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:28:51,867 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:28:51,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:28:51,867 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:28:51,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:28:51,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:28:51,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:28:51,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:28:51,868 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:51,868 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:28:51,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:28:51,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:51,869 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:28:51,869 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_de82359b-9e52-475a-956f-3459bb9fe935/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 -> be67b078fbc5a0344bbc2977b42edb60a0a95dc77f0b12151b8c189fb28fd0c9 [2024-11-25 04:28:52,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:28:52,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:28:52,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:28:52,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:28:52,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:28:52,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i [2024-11-25 04:28:55,680 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/4a176628e/88bd378b576c4a82b731d848dbbc89a6/FLAG058248d16 [2024-11-25 04:28:56,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:28:56,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_bad.i [2024-11-25 04:28:56,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/4a176628e/88bd378b576c4a82b731d848dbbc89a6/FLAG058248d16 [2024-11-25 04:28:56,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/data/4a176628e/88bd378b576c4a82b731d848dbbc89a6 [2024-11-25 04:28:56,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:28:56,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:28:56,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:28:56,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:28:56,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:28:56,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:28:56" (1/1) ... [2024-11-25 04:28:56,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85349af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:56, skipping insertion in model container [2024-11-25 04:28:56,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:28:56" (1/1) ... [2024-11-25 04:28:56,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:28:57,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:28:57,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:28:57,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:28:57,865 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:28:57,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57 WrapperNode [2024-11-25 04:28:57,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:28:57,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:28:57,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:28:57,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:28:57,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,926 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-25 04:28:57,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:28:57,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:28:57,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:28:57,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:28:57,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:28:57,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:28:57,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:28:57,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:28:57,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:28:57" (1/1) ... [2024-11-25 04:28:57,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:28:57,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:28:58,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:28:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:28:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:28:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:28:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:28:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:28:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:28:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:28:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 04:28:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 04:28:58,199 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:28:58,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:28:58,358 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 04:28:58,358 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:28:58,416 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:28:58,416 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:28:58,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:58 BoogieIcfgContainer [2024-11-25 04:28:58,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:28:58,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:28:58,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:28:58,430 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:28:58,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:58" (1/1) ... [2024-11-25 04:28:58,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:28:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-25 04:28:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-25 04:28:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:28:58,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:58,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:58,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:58,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:58,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:28:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:58,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:58,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:28:58,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:28:58,905 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:28:58,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-25 04:28:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-25 04:28:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:28:59,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:59,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:59,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:59,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:28:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:59,242 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:28:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:59,445 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:28:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:59,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:59,508 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:28:59,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:28:59 ImpRootNode [2024-11-25 04:28:59,557 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:28:59,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:28:59,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:28:59,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:28:59,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:28:58" (3/4) ... [2024-11-25 04:28:59,563 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:28:59,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:28:59,565 INFO L158 Benchmark]: Toolchain (without parser) took 3299.82ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.5MB in the end (delta: 21.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-25 04:28:59,566 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:59,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1599.16ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.3MB in the end (delta: 20.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-25 04:28:59,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.44ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:59,567 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:59,568 INFO L158 Benchmark]: RCFGBuilder took 455.05ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 47.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:28:59,568 INFO L158 Benchmark]: CodeCheck took 1139.75ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 67.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:59,568 INFO L158 Benchmark]: Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:28:59,573 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 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of fgets at line 1564. 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); [L1586] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1586] 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] [L1587] CALL CWE191_Integer_Underflow__int_fgets_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1577] --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 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1599.16ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.3MB in the end (delta: 20.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.44ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.05ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 47.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1139.75ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 67.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:28:59,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82359b-9e52-475a-956f-3459bb9fe935/bin/ukojak-verify-ENZ3QT5qd3/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