./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:42:43,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:42:43,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:42:43,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:42:43,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:42:43,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:42:43,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:42:43,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:42:43,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:42:43,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:42:43,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:42:43,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:42:43,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:42:43,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:42:43,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:42:43,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:42:43,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:43,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:42:43,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:42:43,822 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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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 -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2024-12-05 22:42:44,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:42:44,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:42:44,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:42:44,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:42:44,069 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:42:44,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-12-05 22:42:46,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/79984f076/edd41cb044234b15806ebdea3769fa0f/FLAG3d683af32 [2024-12-05 22:42:47,047 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:42:47,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-12-05 22:42:47,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/79984f076/edd41cb044234b15806ebdea3769fa0f/FLAG3d683af32 [2024-12-05 22:42:47,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/79984f076/edd41cb044234b15806ebdea3769fa0f [2024-12-05 22:42:47,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:42:47,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:42:47,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:47,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:42:47,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:42:47,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:47" (1/1) ... [2024-12-05 22:42:47,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d13be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:47, skipping insertion in model container [2024-12-05 22:42:47,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:47" (1/1) ... [2024-12-05 22:42:47,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:42:47,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:47,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:42:48,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:48,164 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:42:48,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48 WrapperNode [2024-12-05 22:42:48,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:48,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:48,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:42:48,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:42:48,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,208 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2024-12-05 22:42:48,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:48,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:42:48,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:42:48,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:42:48,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:42:48,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:42:48,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:42:48,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:42:48,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:48,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:42:48,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:42:48,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:42:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:42:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:42:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:42:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:42:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:42:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:42:48,380 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:42:48,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:42:48,472 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-05 22:42:48,472 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:42:48,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:42:48,501 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:42:48,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:48 BoogieIcfgContainer [2024-12-05 22:42:48,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:42:48,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:42:48,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:42:48,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:42:48,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:48" (1/1) ... [2024-12-05 22:42:48,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:42:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 22:42:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 22:42:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:42:48,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 22:42:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 22:42:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:42:48,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:48,942 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:42:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:49,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:42:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:49,038 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:42:49,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:42:49 ImpRootNode [2024-12-05 22:42:49,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:42:49,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:42:49,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:42:49,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:42:49,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:48" (3/4) ... [2024-12-05 22:42:49,066 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:42:49,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:42:49,067 INFO L158 Benchmark]: Toolchain (without parser) took 1770.32ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 60.5MB in the end (delta: 53.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-05 22:42:49,068 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:49,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.38ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.3MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:42:49,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.79ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 112.6MB in the end (delta: -59.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-05 22:42:49,069 INFO L158 Benchmark]: Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:49,069 INFO L158 Benchmark]: RCFGBuilder took 274.77ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 97.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:42:49,069 INFO L158 Benchmark]: CodeCheck took 560.19ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 61.1MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:42:49,070 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:49,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of fgets at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL funcPtr(data) [L1551] data + 1 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.38ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.3MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.79ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 112.6MB in the end (delta: -59.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.77ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 97.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 560.19ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 61.1MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:42:49,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:42:51,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:42:51,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:42:51,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:42:51,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:42:51,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:42:51,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:42:51,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:42:51,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:42:51,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:42:51,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:51,138 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:42:51,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:51,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:51,139 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:42:51,139 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_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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 -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2024-12-05 22:42:51,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:42:51,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:42:51,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:42:51,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:42:51,370 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:42:51,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-12-05 22:42:54,084 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/cd616e82a/fd8c413ddbbb4c258b6c37995e03d0a4/FLAGa9b15df28 [2024-12-05 22:42:54,363 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:42:54,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-12-05 22:42:54,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/cd616e82a/fd8c413ddbbb4c258b6c37995e03d0a4/FLAGa9b15df28 [2024-12-05 22:42:54,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/data/cd616e82a/fd8c413ddbbb4c258b6c37995e03d0a4 [2024-12-05 22:42:54,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:42:54,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:42:54,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:54,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:42:54,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:42:54,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:54" (1/1) ... [2024-12-05 22:42:54,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755c1227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:54, skipping insertion in model container [2024-12-05 22:42:54,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:54" (1/1) ... [2024-12-05 22:42:54,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:42:55,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:55,107 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:42:55,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:55,280 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:42:55,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55 WrapperNode [2024-12-05 22:42:55,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:55,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:55,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:42:55,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:42:55,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,319 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-12-05 22:42:55,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:55,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:42:55,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:42:55,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:42:55,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:42:55,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:42:55,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:42:55,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:42:55,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:42:55,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:42:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:42:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:42:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:42:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:42:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:42:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:42:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:42:55,514 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:42:55,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:42:55,627 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-05 22:42:55,627 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:42:55,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:42:55,662 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:42:55,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:55 BoogieIcfgContainer [2024-12-05 22:42:55,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:42:55,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:42:55,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:42:55,670 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:42:55,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:55" (1/1) ... [2024-12-05 22:42:55,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:42:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 22:42:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 22:42:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:42:55,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:55,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:55,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:55,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:55,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:42:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:55,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:55,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 22:42:55,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:55,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:42:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-05 22:42:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-05 22:42:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:42:55,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:55,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:55,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:55,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:42:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:56,087 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:42:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:56,193 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:42:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:42:56,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:42:56,224 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:42:56,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:42:56 ImpRootNode [2024-12-05 22:42:56,243 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:42:56,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:42:56,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:42:56,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:42:56,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:55" (3/4) ... [2024-12-05 22:42:56,246 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:42:56,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:42:56,248 INFO L158 Benchmark]: Toolchain (without parser) took 1844.87ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 40.0MB in the end (delta: 25.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-05 22:42:56,248 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:56,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.30ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 60.1MB in the end (delta: 5.5MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-05 22:42:56,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.53ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:56,249 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:56,249 INFO L158 Benchmark]: RCFGBuilder took 315.37ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 39.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:42:56,250 INFO L158 Benchmark]: CodeCheck took 580.66ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 40.0MB in the end (delta: -843.9kB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-12-05 22:42:56,250 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:42:56,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of fgets at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL funcPtr(data) [L1551] data + 1 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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.30ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 60.1MB in the end (delta: 5.5MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.53ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.37ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 39.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 580.66ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 40.0MB in the end (delta: -843.9kB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:42:56,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195e4082-5a5b-4f1d-be6c-2d004aacb26d/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