./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:41,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:41,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:43:41,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:43:41,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:43:41,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:41,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:43:41,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:43:41,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:41,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:41,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:41,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:43:41,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:43:41,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:41,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:43:41,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:41,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:43:41,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:41,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:41,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:41,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:41,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:41,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:41,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:41,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:43:41,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:43:41,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:43:41,496 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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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 -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-13 16:43:41,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:41,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:41,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:41,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:41,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:41,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i Unable to find full path for "g++" [2024-11-13 16:43:43,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:44,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:44,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-13 16:43:44,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/bf6478e7b/29c87f61d895490791bebb5d1d9c1c40/FLAG7ee9a56c4 [2024-11-13 16:43:44,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/bf6478e7b/29c87f61d895490791bebb5d1d9c1c40 [2024-11-13 16:43:44,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:44,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:44,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:44,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:44,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:44,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:44" (1/1) ... [2024-11-13 16:43:44,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6046054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:44, skipping insertion in model container [2024-11-13 16:43:44,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:44" (1/1) ... [2024-11-13 16:43:44,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:45,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:45,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:45,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:45,553 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:45,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45 WrapperNode [2024-11-13 16:43:45,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:45,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:45,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:45,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:45,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,621 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 16:43:45,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:45,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:45,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:45,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:45,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:45,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:45,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:45,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:45,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:45" (1/1) ... [2024-11-13 16:43:45,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:45,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:45,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:43:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:43:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:43:45,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:45,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:46,152 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:46,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:46,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:46,209 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:43:46,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:46 BoogieIcfgContainer [2024-11-13 16:43:46,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:46,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:46,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:46,228 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:46,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:46" (1/1) ... [2024-11-13 16:43:46,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 16:43:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 16:43:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:43:46,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:46,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:46,559 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 16:43:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 24 transitions. [2024-11-13 16:43:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 16:43:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:43:46,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:46,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:43:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:46,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:43:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:46,871 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:43:46,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:43:46 ImpRootNode [2024-11-13 16:43:46,914 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:43:46,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:43:46,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:43:46,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:43:46,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:46" (3/4) ... [2024-11-13 16:43:46,918 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:43:46,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:43:46,920 INFO L158 Benchmark]: Toolchain (without parser) took 2657.72ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 80.5MB in the end (delta: 35.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-13 16:43:46,920 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:46,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.53ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 55.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:43:46,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.00ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:43:46,924 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.3MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:46,924 INFO L158 Benchmark]: RCFGBuilder took 547.92ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 105.8MB in the end (delta: -53.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 16:43:46,924 INFO L158 Benchmark]: CodeCheck took 699.02ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 80.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:43:46,925 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:46,932 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of 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 CWE191_Integer_Underflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.53ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 55.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.00ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.3MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 547.92ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 105.8MB in the end (delta: -53.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 699.02ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 80.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:43:46,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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 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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:49,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:49,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:43:49,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:49,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:43:49,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:43:49,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:49,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:49,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:49,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:43:49,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:49,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:43:49,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:49,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:43:49,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:49,878 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:49,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:49,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:49,878 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:49,878 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:43:49,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:49,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:49,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:49,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:49,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:43:49,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:43:49,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:49,884 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:43:49,884 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_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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 -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-13 16:43:50,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:50,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:50,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:50,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:50,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:50,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i Unable to find full path for "g++" [2024-11-13 16:43:52,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:52,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:52,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-13 16:43:52,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/ecca45b9b/85bc92db7d1b44528ed842e88a702ee5/FLAG1fdd52268 [2024-11-13 16:43:52,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/data/ecca45b9b/85bc92db7d1b44528ed842e88a702ee5 [2024-11-13 16:43:52,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:52,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:52,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:52,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:52,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:52,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:52" (1/1) ... [2024-11-13 16:43:52,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d54894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:52, skipping insertion in model container [2024-11-13 16:43:52,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:52" (1/1) ... [2024-11-13 16:43:52,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:54,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:54,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:54,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:54,437 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:54,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54 WrapperNode [2024-11-13 16:43:54,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:54,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:54,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:54,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:54,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,492 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-13 16:43:54,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:54,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:54,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:54,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:54,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:54,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:54,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:54,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:54,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:54,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:54,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:43:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:43:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:43:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:54,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:54,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:54,937 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:54,937 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:54,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:54,995 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:43:54,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:54 BoogieIcfgContainer [2024-11-13 16:43:54,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:54,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:54,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:55,010 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:55,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:54" (1/1) ... [2024-11-13 16:43:55,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 16:43:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 16:43:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:43:55,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:55,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:55,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:43:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:55,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:55,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:43:55,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:55,362 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 16:43:55,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:43:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 29 transitions. [2024-11-13 16:43:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:43:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:43:55,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:55,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:55,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:55,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:55,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:43:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:55,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:43:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:55,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:43:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:55,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:43:55,823 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:43:55,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:43:55 ImpRootNode [2024-11-13 16:43:55,862 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:43:55,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:43:55,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:43:55,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:43:55,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:54" (3/4) ... [2024-11-13 16:43:55,866 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:43:55,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:43:55,872 INFO L158 Benchmark]: Toolchain (without parser) took 2959.49ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 67.4MB in the end (delta: 22.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-13 16:43:55,873 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:55,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1528.55ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 66.8MB in the end (delta: 22.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:43:55,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.47ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:55,874 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:55,875 INFO L158 Benchmark]: RCFGBuilder took 470.24ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 45.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:43:55,875 INFO L158 Benchmark]: CodeCheck took 865.41ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 67.4MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:55,875 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:55,877 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, 20 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of 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 CWE191_Integer_Underflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1528.55ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 66.8MB in the end (delta: 22.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.47ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.24ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 45.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 865.41ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 67.4MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 42.6kB). 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 16:43:55,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27050ee0-bfd1-4b80-bef8-160cdfc4a1f9/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