./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:11:30,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:11:30,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:11:30,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:11:30,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:11:30,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:11:30,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:11:30,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:11:30,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:11:30,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:11:30,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:11:30,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:11:30,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:11:30,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:11:30,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:11:30,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:11:30,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:11:30,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:11:30,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:11:30,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:11:30,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:30,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:11:30,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:11:30,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:11:30,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:11:30,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:11:30,377 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_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef [2024-11-25 02:11:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:11:30,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:11:30,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:11:30,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:11:30,713 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:11:30,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2024-11-25 02:11:33,880 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/b4dc5a778/8e5e453df0024853b10bedc8b22f5571/FLAG3c4731be0 [2024-11-25 02:11:34,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:11:34,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2024-11-25 02:11:34,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/b4dc5a778/8e5e453df0024853b10bedc8b22f5571/FLAG3c4731be0 [2024-11-25 02:11:34,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/b4dc5a778/8e5e453df0024853b10bedc8b22f5571 [2024-11-25 02:11:34,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:11:34,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:11:34,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:34,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:11:34,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:11:34,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:34" (1/1) ... [2024-11-25 02:11:34,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5901113f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:34, skipping insertion in model container [2024-11-25 02:11:34,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:34" (1/1) ... [2024-11-25 02:11:34,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:11:35,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:35,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:11:35,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:35,801 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:11:35,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35 WrapperNode [2024-11-25 02:11:35,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:35,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:35,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:11:35,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:11:35,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,872 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-25 02:11:35,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:35,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:11:35,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:11:35,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:11:35,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:11:35,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:11:35,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:11:35,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:11:35,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:35" (1/1) ... [2024-11-25 02:11:35,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:11:35,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:11:35,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:11:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:11:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:11:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:11:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:11:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:11:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:11:36,199 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:11:36,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:11:36,370 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:11:36,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:11:36,429 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:11:36,429 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:11:36,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:36 BoogieIcfgContainer [2024-11-25 02:11:36,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:11:36,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:11:36,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:11:36,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:11:36,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:36" (1/1) ... [2024-11-25 02:11:36,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:11:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:11:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:11:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:11:36,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 02:11:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 02:11:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:11:36,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:37,003 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:11:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:37,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:11:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:37,168 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:11:37,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:11:37 ImpRootNode [2024-11-25 02:11:37,209 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:11:37,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:11:37,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:11:37,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:11:37,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:36" (3/4) ... [2024-11-25 02:11:37,215 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:11:37,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:11:37,219 INFO L158 Benchmark]: Toolchain (without parser) took 2774.76ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 33.1MB in the end (delta: 56.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:37,219 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:37,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.91ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.9MB in the end (delta: 9.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:37,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.64ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:37,220 INFO L158 Benchmark]: Boogie Preprocessor took 41.02ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:37,221 INFO L158 Benchmark]: RCFGBuilder took 515.04ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:37,221 INFO L158 Benchmark]: CodeCheck took 778.72ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 33.1MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:11:37,223 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:37,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of fgets at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.91ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.9MB in the end (delta: 9.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.64ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.02ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.04ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 778.72ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 33.1MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:11:37,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/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_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:11:39,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:11:39,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:11:40,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:11:40,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:11:40,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:11:40,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:11:40,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:11:40,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:11:40,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:11:40,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:11:40,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:11:40,032 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:11:40,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:11:40,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:11:40,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:11:40,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:11:40,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:11:40,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:11:40,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:11:40,034 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:40,034 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:11:40,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:11:40,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:40,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:11:40,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:11:40,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:11:40,036 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:11:40,036 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:40,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:11:40,037 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_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef [2024-11-25 02:11:40,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:11:40,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:11:40,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:11:40,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:11:40,386 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:11:40,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2024-11-25 02:11:43,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/04934da40/70a6a6dafbe94de99599ca3396d4e17c/FLAGf7eca0892 [2024-11-25 02:11:43,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:11:43,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2024-11-25 02:11:43,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/04934da40/70a6a6dafbe94de99599ca3396d4e17c/FLAGf7eca0892 [2024-11-25 02:11:43,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/data/04934da40/70a6a6dafbe94de99599ca3396d4e17c [2024-11-25 02:11:43,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:11:43,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:11:43,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:43,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:11:43,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:11:43,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:43" (1/1) ... [2024-11-25 02:11:43,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d1501d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:43, skipping insertion in model container [2024-11-25 02:11:43,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:43" (1/1) ... [2024-11-25 02:11:43,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:11:44,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:44,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:11:45,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:45,225 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:11:45,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45 WrapperNode [2024-11-25 02:11:45,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:45,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:45,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:11:45,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:11:45,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,280 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-25 02:11:45,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:45,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:11:45,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:11:45,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:11:45,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:11:45,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:11:45,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:11:45,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:11:45,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:45,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:11:45,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:11:45,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:11:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:11:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:11:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:11:45,653 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:11:45,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:11:45,832 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:11:45,832 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:11:45,878 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:11:45,878 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:11:45,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:45 BoogieIcfgContainer [2024-11-25 02:11:45,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:11:45,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:11:45,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:11:45,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:11:45,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:45" (1/1) ... [2024-11-25 02:11:45,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:11:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:11:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:11:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:11:45,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:45,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:45,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:11:45,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:11:45,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:11:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:46,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:11:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:46,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:11:46,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:11:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:46,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:11:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 02:11:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 02:11:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:11:46,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:11:46,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:11:46,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:11:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:46,514 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:11:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:46,671 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:11:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:11:46,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:11:46,726 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:11:46,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:11:46 ImpRootNode [2024-11-25 02:11:46,761 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:11:46,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:11:46,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:11:46,762 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:11:46,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:45" (3/4) ... [2024-11-25 02:11:46,766 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:11:46,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:11:46,772 INFO L158 Benchmark]: Toolchain (without parser) took 2880.90ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 65.4MB in the end (delta: 23.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-25 02:11:46,772 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:46,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.68ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.2MB in the end (delta: 21.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 02:11:46,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.09ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:46,773 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:46,773 INFO L158 Benchmark]: RCFGBuilder took 552.21ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 46.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:46,774 INFO L158 Benchmark]: CodeCheck took 881.51ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 65.4MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:46,774 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:46,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 72 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, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of fgets at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.68ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.2MB in the end (delta: 21.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.09ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.21ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 46.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 881.51ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 65.4MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:11:46,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94920f4-3725-47cc-b325-3fee51967aa9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample