./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm --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 a69b4ba63e290a3cc75d25aa44fcee80c12eba7c795ac896f3fe55df00519e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:10,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:10,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:48:10,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:48:10,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:48:10,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:10,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:10,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:10,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:10,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:10,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:10,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:10,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:10,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:10,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:10,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:10,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:10,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:10,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:10,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:10,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:48:10,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:48:10,344 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_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm 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 -> a69b4ba63e290a3cc75d25aa44fcee80c12eba7c795ac896f3fe55df00519e8a [2024-11-13 16:48:10,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:10,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:10,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:10,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:10,640 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:10,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i Unable to find full path for "g++" [2024-11-13 16:48:12,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:12,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:12,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i [2024-11-13 16:48:12,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/84b42afce/cd089d3ee1cf4b08bdce3b98a428d149/FLAG5e7f75e3c [2024-11-13 16:48:13,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/84b42afce/cd089d3ee1cf4b08bdce3b98a428d149 [2024-11-13 16:48:13,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:13,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:13,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:13,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:13,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:13,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:13" (1/1) ... [2024-11-13 16:48:13,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d015cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:13, skipping insertion in model container [2024-11-13 16:48:13,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:13" (1/1) ... [2024-11-13 16:48:13,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:14,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:14,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:14,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:14,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:14,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14 WrapperNode [2024-11-13 16:48:14,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:14,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:14,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:14,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:14,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,388 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 16:48:14,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:14,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:14,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:14,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:14,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:14,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:14,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:14,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:14,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:14,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:14,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:48:14,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:48:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:14,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:48:14,664 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:14,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:14,778 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:14,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:14,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:14,810 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:48:14,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:14 BoogieIcfgContainer [2024-11-13 16:48:14,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:14,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:14,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:14,823 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:14,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 16:48:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 16:48:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:48:14,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:14,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 16:48:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 16:48:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:48:15,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 16:48:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 16:48:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:48:15,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:15,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:15,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:15,566 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:48:15,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:48:15 ImpRootNode [2024-11-13 16:48:15,607 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:48:15,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:48:15,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:48:15,608 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:48:15,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:14" (3/4) ... [2024-11-13 16:48:15,611 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:48:15,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:48:15,613 INFO L158 Benchmark]: Toolchain (without parser) took 2536.07ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 84.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 16:48:15,613 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:15,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1237.15ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.6MB in the end (delta: 9.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 16:48:15,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.43ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:15,614 INFO L158 Benchmark]: Boogie Preprocessor took 38.09ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:15,618 INFO L158 Benchmark]: RCFGBuilder took 383.57ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 61.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:48:15,618 INFO L158 Benchmark]: CodeCheck took 793.98ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 84.9MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:15,619 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:15,621 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 106 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, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_preinc_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1237.15ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.6MB in the end (delta: 9.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.43ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.09ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.57ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 61.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 793.98ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 84.9MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:48:15,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/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_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm --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 a69b4ba63e290a3cc75d25aa44fcee80c12eba7c795ac896f3fe55df00519e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:18,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:18,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:48:18,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:18,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:18,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:18,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:18,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:18,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:18,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:18,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:18,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:18,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:18,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:18,427 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:48:18,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:48:18,428 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:18,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:18,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:18,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:18,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:48:18,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:18,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:18,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:18,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:18,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:18,431 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:48:18,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:18,431 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:48:18,431 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_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm 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 -> a69b4ba63e290a3cc75d25aa44fcee80c12eba7c795ac896f3fe55df00519e8a [2024-11-13 16:48:18,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:18,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:18,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:18,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:18,793 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:18,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i Unable to find full path for "g++" [2024-11-13 16:48:20,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:21,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:21,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_bad.i [2024-11-13 16:48:21,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/f50dd3308/93a077f481ee4c2fa225d94b31d767a3/FLAG7db5833a6 [2024-11-13 16:48:21,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/data/f50dd3308/93a077f481ee4c2fa225d94b31d767a3 [2024-11-13 16:48:21,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:21,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:21,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:21,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:21,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:21,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:21" (1/1) ... [2024-11-13 16:48:21,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775a8e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:21, skipping insertion in model container [2024-11-13 16:48:21,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:21" (1/1) ... [2024-11-13 16:48:21,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:22,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:22,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:22,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:22,879 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:22,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22 WrapperNode [2024-11-13 16:48:22,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:22,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:22,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:22,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:22,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:22,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:22,966 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 16:48:22,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:22,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:22,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:22,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:22,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:22,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:22,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:22,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:23,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:23,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:23,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:23,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:22" (1/1) ... [2024-11-13 16:48:23,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:23,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:23,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:48:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:23,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:23,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:23,496 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:23,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:23,558 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:23,558 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:48:23,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:23 BoogieIcfgContainer [2024-11-13 16:48:23,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:23,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:23,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:23,571 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:23,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:23" (1/1) ... [2024-11-13 16:48:23,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 16:48:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 16:48:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:48:23,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:23,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:23,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:23,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:23,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:48:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:23,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:23,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:48:23,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:23,904 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:48:23,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:48:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-13 16:48:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-13 16:48:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:48:23,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:23,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:23,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:23,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:23,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:48:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:24,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:24,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:24,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:48:24,355 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:48:24,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:48:24 ImpRootNode [2024-11-13 16:48:24,394 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:48:24,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:48:24,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:48:24,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:48:24,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:23" (3/4) ... [2024-11-13 16:48:24,401 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:48:24,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:48:24,403 INFO L158 Benchmark]: Toolchain (without parser) took 3153.57ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.1MB in the beginning and 204.0MB in the end (delta: -114.8MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-13 16:48:24,406 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:24,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1629.33ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.2MB in the end (delta: 22.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:24,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.72ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:24,408 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:24,408 INFO L158 Benchmark]: RCFGBuilder took 534.83ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 45.2MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:24,409 INFO L158 Benchmark]: CodeCheck took 834.92ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 44.7MB in the beginning and 204.7MB in the end (delta: -159.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:24,412 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 251.7MB. Free memory was 204.0MB in the beginning and 204.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:24,414 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: 0.8s, 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, 10 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, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 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, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 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 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_preinc_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1629.33ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.2MB in the end (delta: 22.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.72ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 534.83ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 45.2MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 834.92ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 44.7MB in the beginning and 204.7MB in the end (delta: -159.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 251.7MB. Free memory was 204.0MB in the beginning and 204.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:48:24,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce98f09d-bdea-48bc-a186-5088fc6bd665/bin/ukojak-verify-EEHR8qb7sm/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