./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:15,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:15,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:36:15,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:36:15,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:36:15,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:15,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:15,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:15,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:15,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:15,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:15,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:15,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:15,993 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:36:15,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:36:15,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:15,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:15,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:15,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:15,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:15,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:15,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:15,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:15,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:15,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:15,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:36:15,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:36:15,996 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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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 -> 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad [2024-11-13 20:36:16,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:16,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:16,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:16,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:16,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:16,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i Unable to find full path for "g++" [2024-11-13 20:36:18,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:19,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:19,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-11-13 20:36:19,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/a91dbc1ad/c07c7aa5e88f454a887e1b9e54fd1ffc/FLAGb79256bfa [2024-11-13 20:36:19,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/a91dbc1ad/c07c7aa5e88f454a887e1b9e54fd1ffc [2024-11-13 20:36:19,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:19,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:19,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:19,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:19,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:19,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:19" (1/1) ... [2024-11-13 20:36:19,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c69772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:19, skipping insertion in model container [2024-11-13 20:36:19,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:19" (1/1) ... [2024-11-13 20:36:19,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:21,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:21,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:21,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:21,435 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:21,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21 WrapperNode [2024-11-13 20:36:21,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:21,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:21,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:21,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:21,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,503 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2024-11-13 20:36:21,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:21,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:21,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:21,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:21,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:21,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:21,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:21,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:21,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:21" (1/1) ... [2024-11-13 20:36:21,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:21,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:36:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:36:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:36:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:36:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:36:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:36:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:36:21,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:21,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:22,017 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:22,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:22,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:22,057 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:36:22,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:22 BoogieIcfgContainer [2024-11-13 20:36:22,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:22,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:22,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:22,075 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:22,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:22" (1/1) ... [2024-11-13 20:36:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:36:22,172 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:36:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:36:22,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:23,089 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 20:36:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 20:36:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 20:36:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:36:23,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:23,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:23,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:23,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:23,548 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:36:23,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:36:23 ImpRootNode [2024-11-13 20:36:23,603 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:36:23,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:36:23,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:36:23,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:36:23,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:22" (3/4) ... [2024-11-13 20:36:23,610 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:36:23,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:36:23,615 INFO L158 Benchmark]: Toolchain (without parser) took 3919.13ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 73.7MB in the end (delta: 6.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-13 20:36:23,616 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:23,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1739.80ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 63.6MB in the end (delta: 16.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 20:36:23,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.59ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:23,619 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:23,620 INFO L158 Benchmark]: RCFGBuilder took 522.51ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 44.5MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:36:23,620 INFO L158 Benchmark]: CodeCheck took 1545.42ms. Allocated memory is still 109.1MB. Free memory was 44.5MB in the beginning and 74.4MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:23,620 INFO L158 Benchmark]: Witness Printer took 7.17ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 73.7MB in the end (delta: 696.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:23,627 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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 - UnprovableResult [Line: 1572]: 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 large string literal at line 1581, 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); [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={22776:0}, dataPtr2={22776:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] ++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 0.60ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1739.80ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 63.6MB in the end (delta: 16.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.59ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.51ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 44.5MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1545.42ms. Allocated memory is still 109.1MB. Free memory was 44.5MB in the beginning and 74.4MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.17ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 73.7MB in the end (delta: 696.3kB). 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 20:36:23,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:27,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:27,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:36:27,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:27,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:27,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:27,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:27,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:27,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:27,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:27,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:36:27,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:27,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:36:27,258 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:36:27,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:36:27,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:27,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:27,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:27,259 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:27,259 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:27,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:27,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:36:27,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:27,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:27,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:27,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:27,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:27,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:36:27,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:27,261 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:36:27,261 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_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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 -> 71233b704a887dd9fc786070e887e4b97c786b9c03fd7cf637150724d8ffd9ad [2024-11-13 20:36:27,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:27,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:27,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:27,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:27,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:27,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i Unable to find full path for "g++" [2024-11-13 20:36:29,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:30,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:30,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_bad.i [2024-11-13 20:36:30,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/4262213d7/5b9382dc9c3b4e1ca53da63e1baa6a9b/FLAG47adb2671 [2024-11-13 20:36:30,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/data/4262213d7/5b9382dc9c3b4e1ca53da63e1baa6a9b [2024-11-13 20:36:30,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:30,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:30,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:30,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:30,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:30,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:30" (1/1) ... [2024-11-13 20:36:30,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75930c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:30, skipping insertion in model container [2024-11-13 20:36:30,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:30" (1/1) ... [2024-11-13 20:36:30,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:31,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:31,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:31,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:32,248 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:32,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32 WrapperNode [2024-11-13 20:36:32,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:32,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:32,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:32,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:32,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,357 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-13 20:36:32,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:32,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:32,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:32,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:32,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:32,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:32,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:32,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:32,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:32,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:32,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:36:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:36:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:36:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:36:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:36:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:36:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:36:32,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:32,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:33,004 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:33,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:33,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:33,084 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:36:33,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:33 BoogieIcfgContainer [2024-11-13 20:36:33,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:33,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:33,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:33,101 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:33,101 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:33" (1/1) ... [2024-11-13 20:36:33,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:36:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:36:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:36:33,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:33,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:33,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:33,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:36:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:36:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:36:33,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:33,613 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 20:36:33,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:36:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:36:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:36:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:36:33,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:33,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:33,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:33,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:36:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:33,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:34,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:34,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:36:34,399 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:36:34,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:36:34 ImpRootNode [2024-11-13 20:36:34,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:36:34,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:36:34,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:36:34,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:36:34,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:33" (3/4) ... [2024-11-13 20:36:34,448 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:36:34,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:36:34,453 INFO L158 Benchmark]: Toolchain (without parser) took 3923.72ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 38.1MB in the end (delta: 18.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-13 20:36:34,453 INFO L158 Benchmark]: CDTParser took 4.45ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:34,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1719.43ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 50.2MB in the end (delta: 6.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:36:34,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.82ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:34,454 INFO L158 Benchmark]: Boogie Preprocessor took 60.86ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:34,455 INFO L158 Benchmark]: RCFGBuilder took 664.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.8MB in the end (delta: -6.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-13 20:36:34,458 INFO L158 Benchmark]: CodeCheck took 1356.19ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 38.5MB in the end (delta: 13.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-13 20:36:34,459 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.1MB in the end (delta: 444.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:34,461 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 12 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, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 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: 1572]: 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 large string literal at line 1581, 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); [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] ++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 4.45ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1719.43ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 50.2MB in the end (delta: 6.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.82ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.86ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 664.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.8MB in the end (delta: -6.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 1356.19ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 38.5MB in the end (delta: 13.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.1MB in the end (delta: 444.7kB). 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 20:36:34,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5380939f-ebc2-4c64-9ad0-2f94cd7c2423/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample