./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_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_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:40,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:40,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:02:40,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:02:40,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:02:40,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:40,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:02:40,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:02:40,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:40,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:40,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:40,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:02:40,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:02:40,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:40,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:40,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:40,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:40,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:40,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:40,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:40,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:40,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:40,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:02:40,650 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:02:40,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:02:40,651 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_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2024-11-25 02:02:41,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:41,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:41,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:41,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:41,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:41,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-11-25 02:02:44,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/863d09f65/8ab232268bb040d7bd1bef64c0a78141/FLAG738bf3b42 [2024-11-25 02:02:44,821 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:44,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-11-25 02:02:44,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/863d09f65/8ab232268bb040d7bd1bef64c0a78141/FLAG738bf3b42 [2024-11-25 02:02:44,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/863d09f65/8ab232268bb040d7bd1bef64c0a78141 [2024-11-25 02:02:44,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:44,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:44,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:44,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:44,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:44,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:44" (1/1) ... [2024-11-25 02:02:44,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fddbe55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:44, skipping insertion in model container [2024-11-25 02:02:44,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:44" (1/1) ... [2024-11-25 02:02:44,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:45,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:45,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:45,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:46,175 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:46,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46 WrapperNode [2024-11-25 02:02:46,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:46,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:46,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:46,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:46,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,243 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-25 02:02:46,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:46,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:46,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:46,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:46,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:46,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:46,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:46,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:46,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:46,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:02:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:02:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:02:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:02:46,456 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:46,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:46,596 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:46,597 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:46,632 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:46,632 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:02:46,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:46 BoogieIcfgContainer [2024-11-25 02:02:46,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:46,634 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:46,634 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:46,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:46,643 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:46" (1/1) ... [2024-11-25 02:02:46,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:02:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:02:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:02:46,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2024-11-25 02:02:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 02:02:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:02:46,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:47,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:47,159 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:47,239 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:02:47,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:02:47 ImpRootNode [2024-11-25 02:02:47,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:02:47,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:02:47,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:02:47,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:02:47,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:46" (3/4) ... [2024-11-25 02:02:47,284 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:02:47,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:02:47,288 INFO L158 Benchmark]: Toolchain (without parser) took 2403.79ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.6MB in the beginning and 320.3MB in the end (delta: -230.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-25 02:02:47,288 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:47,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1292.74ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:02:47,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.78ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:02:47,289 INFO L158 Benchmark]: Boogie Preprocessor took 20.59ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:47,291 INFO L158 Benchmark]: RCFGBuilder took 368.20ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:02:47,291 INFO L158 Benchmark]: CodeCheck took 645.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 320.3MB in the end (delta: -258.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:47,292 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 352.3MB. Free memory was 320.3MB in the beginning and 320.3MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:47,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(staticTrue) [L1571] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1292.74ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.78ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.59ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.20ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 645.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 320.3MB in the end (delta: -258.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 352.3MB. Free memory was 320.3MB in the beginning and 320.3MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:02:47,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:50,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:50,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:02:50,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:50,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:02:50,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:02:50,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:50,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:50,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:50,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:02:50,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:50,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:02:50,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:50,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:02:50,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:02:50,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:02:50,271 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:02:50,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:50,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:50,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:50,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:50,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:02:50,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:50,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:50,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:50,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:50,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:02:50,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:02:50,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:50,274 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:02:50,276 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_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2024-11-25 02:02:50,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:50,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:50,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:50,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:50,591 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:50,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-11-25 02:02:53,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/8bd53fd2f/74df51473e124162b34a0d50bafeace3/FLAG712679ab8 [2024-11-25 02:02:54,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:54,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2024-11-25 02:02:54,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/8bd53fd2f/74df51473e124162b34a0d50bafeace3/FLAG712679ab8 [2024-11-25 02:02:54,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/data/8bd53fd2f/74df51473e124162b34a0d50bafeace3 [2024-11-25 02:02:54,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:54,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:54,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:54,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:54,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:54,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:54" (1/1) ... [2024-11-25 02:02:54,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305356f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:54, skipping insertion in model container [2024-11-25 02:02:54,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:54" (1/1) ... [2024-11-25 02:02:54,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:55,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:55,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:55,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:55,350 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:55,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55 WrapperNode [2024-11-25 02:02:55,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:55,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:55,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:55,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:55,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,414 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-25 02:02:55,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:55,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:55,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:55,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:55,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,441 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:55,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:55,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:55,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:55,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:55,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:55,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:55,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:55,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:02:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:02:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:02:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:55,723 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:55,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:55,905 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:55,905 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:55,976 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:55,979 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:02:55,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:55 BoogieIcfgContainer [2024-11-25 02:02:55,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:55,981 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:55,981 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:56,003 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:56,004 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:55" (1/1) ... [2024-11-25 02:02:56,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:02:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:02:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:02:56,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:56,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:56,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:56,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:02:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:56,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:56,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:02:56,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:56,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:02:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 02:02:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 02:02:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:02:56,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:56,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:56,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:56,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:56,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:02:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:56,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:56,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:56,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:56,967 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:02:57,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:02:57 ImpRootNode [2024-11-25 02:02:57,014 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:02:57,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:02:57,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:02:57,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:02:57,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:55" (3/4) ... [2024-11-25 02:02:57,020 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:02:57,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:02:57,022 INFO L158 Benchmark]: Toolchain (without parser) took 2889.29ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 27.8MB in the end (delta: 29.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-25 02:02:57,022 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:57,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.60ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-25 02:02:57,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.10ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:57,026 INFO L158 Benchmark]: Boogie Preprocessor took 42.27ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:57,027 INFO L158 Benchmark]: RCFGBuilder took 522.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 30.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:02:57,027 INFO L158 Benchmark]: CodeCheck took 1033.28ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 28.2MB in the end (delta: 1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2024-11-25 02:02:57,027 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 27.8MB in the end (delta: 419.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:57,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1568] COND TRUE \read(staticTrue) [L1571] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.60ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.10ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.27ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 30.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1033.28ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 28.2MB in the end (delta: 1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 27.8MB in the end (delta: 419.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:02:57,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1844aef6-1e48-4ec6-a0a9-019242852f3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample