./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_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_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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_18919809-8a1b-486f-925f-e90d0c0d4f1b/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 ffc1d4ff5146147535a8cadfa3671cd765ae4ddcb2dacc7af945329a570780ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:38:55,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:38:55,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:38:55,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:38:55,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:38:55,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:38:55,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:38:55,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:38:55,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:38:55,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:38:55,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:38:55,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:38:55,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:38:55,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:38:55,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:38:55,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:38:55,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:38:55,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:38:55,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:38:55,973 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_18919809-8a1b-486f-925f-e90d0c0d4f1b/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 -> ffc1d4ff5146147535a8cadfa3671cd765ae4ddcb2dacc7af945329a570780ea [2024-12-06 01:38:56,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:38:56,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:38:56,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:38:56,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:38:56,188 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:38:56,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i [2024-12-06 01:38:58,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/8a28a7f29/5db309a6a8b846b0b8004772f78b67bb/FLAGd7ee0755c [2024-12-06 01:38:59,172 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:38:59,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i [2024-12-06 01:38:59,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/8a28a7f29/5db309a6a8b846b0b8004772f78b67bb/FLAGd7ee0755c [2024-12-06 01:38:59,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/8a28a7f29/5db309a6a8b846b0b8004772f78b67bb [2024-12-06 01:38:59,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:38:59,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:38:59,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:38:59,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:38:59,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:38:59,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:38:59" (1/1) ... [2024-12-06 01:38:59,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8a9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:38:59, skipping insertion in model container [2024-12-06 01:38:59,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:38:59" (1/1) ... [2024-12-06 01:38:59,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:39:00,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:00,108 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:39:00,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:00,278 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:39:00,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00 WrapperNode [2024-12-06 01:39:00,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:39:00,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:00,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:39:00,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:39:00,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,320 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-12-06 01:39:00,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:00,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:39:00,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:39:00,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:39:00,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:39:00,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:39:00,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:39:00,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:39:00,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:39:00,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:39:00,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:39:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:39:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:39:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 01:39:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 01:39:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:39:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:39:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:39:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:39:00,502 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:39:00,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:39:00,603 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 01:39:00,603 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:39:00,635 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:39:00,635 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:39:00,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:00 BoogieIcfgContainer [2024-12-06 01:39:00,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:39:00,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:39:00,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:39:00,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:39:00,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:00" (1/1) ... [2024-12-06 01:39:00,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:39:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 01:39:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 01:39:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:39:00,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:39:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:39:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-12-06 01:39:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-12-06 01:39:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:39:00,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:00,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:39:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:01,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:01,084 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:01,115 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:39:01,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:39:01 ImpRootNode [2024-12-06 01:39:01,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:39:01,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:39:01,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:39:01,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:39:01,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:00" (3/4) ... [2024-12-06 01:39:01,145 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:39:01,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:39:01,147 INFO L158 Benchmark]: Toolchain (without parser) took 1706.43ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 67.3MB in the end (delta: 47.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-06 01:39:01,147 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:01,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.96ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.9MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:39:01,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.29ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 114.8MB in the end (delta: -58.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 01:39:01,148 INFO L158 Benchmark]: Boogie Preprocessor took 20.25ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:01,149 INFO L158 Benchmark]: RCFGBuilder took 292.98ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 99.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:39:01,149 INFO L158 Benchmark]: CodeCheck took 505.46ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 67.3MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:39:01,149 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:01,151 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, 25 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, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 22 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, 22 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 108 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1566] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalReturnsTrue() [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.96ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.9MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.29ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 114.8MB in the end (delta: -58.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.25ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.98ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 99.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 505.46ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 67.3MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:39:01,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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_18919809-8a1b-486f-925f-e90d0c0d4f1b/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 ffc1d4ff5146147535a8cadfa3671cd765ae4ddcb2dacc7af945329a570780ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:39:03,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:39:03,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:39:03,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:39:03,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:39:03,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:39:03,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:39:03,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:39:03,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:39:03,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:39:03,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:39:03,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:03,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:39:03,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:03,180 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:39:03,180 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_18919809-8a1b-486f-925f-e90d0c0d4f1b/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 -> ffc1d4ff5146147535a8cadfa3671cd765ae4ddcb2dacc7af945329a570780ea [2024-12-06 01:39:03,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:39:03,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:39:03,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:39:03,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:39:03,457 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:39:03,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i [2024-12-06 01:39:06,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/800c5143f/4e079ddf7b4a4b9581632cd0eb97e2f2/FLAG28aab4b83 [2024-12-06 01:39:06,396 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:39:06,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_11_bad.i [2024-12-06 01:39:06,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/800c5143f/4e079ddf7b4a4b9581632cd0eb97e2f2/FLAG28aab4b83 [2024-12-06 01:39:06,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/data/800c5143f/4e079ddf7b4a4b9581632cd0eb97e2f2 [2024-12-06 01:39:06,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:39:06,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:39:06,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:39:06,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:39:06,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:39:06,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:39:06" (1/1) ... [2024-12-06 01:39:06,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cef9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:06, skipping insertion in model container [2024-12-06 01:39:06,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:39:06" (1/1) ... [2024-12-06 01:39:06,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:39:07,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:07,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:39:07,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:07,525 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:39:07,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07 WrapperNode [2024-12-06 01:39:07,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:39:07,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:07,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:39:07,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:39:07,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,561 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-06 01:39:07,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:07,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:39:07,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:39:07,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:39:07,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:39:07,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:39:07,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:39:07,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:39:07,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:07,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:39:07,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:39:07,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:39:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:39:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:39:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 01:39:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 01:39:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:39:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:39:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:39:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:39:07,748 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:39:07,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:39:07,862 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 01:39:07,862 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:39:07,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:39:07,895 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:39:07,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:07 BoogieIcfgContainer [2024-12-06 01:39:07,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:39:07,896 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:39:07,896 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:39:07,905 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:39:07,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:07" (1/1) ... [2024-12-06 01:39:07,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:39:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 01:39:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 01:39:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:39:07,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:39:07,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:39:07,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:39:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:08,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:39:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:08,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:39:08,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:39:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:39:08,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:39:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-12-06 01:39:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-12-06 01:39:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:39:08,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:08,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:08,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:39:08,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:39:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:39:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:08,343 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:08,451 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:08,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:39:08,485 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:39:08,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:39:08 ImpRootNode [2024-12-06 01:39:08,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:39:08,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:39:08,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:39:08,511 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:39:08,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:07" (3/4) ... [2024-12-06 01:39:08,514 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:39:08,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:39:08,515 INFO L158 Benchmark]: Toolchain (without parser) took 1840.63ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 42.9MB in the end (delta: 23.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-12-06 01:39:08,516 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:08,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.98ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.9MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 01:39:08,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.60ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:08,517 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:08,517 INFO L158 Benchmark]: RCFGBuilder took 306.56ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 42.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:39:08,518 INFO L158 Benchmark]: CodeCheck took 613.99ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 42.9MB in the end (delta: -947.2kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-12-06 01:39:08,518 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:08,520 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 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, 21 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 106 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1566] RET globalReturnsTrue() 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] [L1566] COND TRUE globalReturnsTrue() [L1568] COND TRUE data < 0 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] [L1570] data * 2 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 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.98ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.9MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.60ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.56ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 42.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 613.99ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 42.9MB in the end (delta: -947.2kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:39:08,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18919809-8a1b-486f-925f-e90d0c0d4f1b/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