./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_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_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b --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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:57:39,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:57:39,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:57:39,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:57:39,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:57:39,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:57:39,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:57:39,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:57:39,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:57:39,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:57:39,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:57:39,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:57:39,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:57:39,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:57:39,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:57:39,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:57:39,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:39,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:57:39,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:57:39,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:57:39,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:57:39,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:57:39,187 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_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b 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 -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2024-12-06 00:57:39,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:57:39,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:57:39,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:57:39,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:57:39,432 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:57:39,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-12-06 00:57:42,034 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/13389c51b/28a3efd227944d7586271dfd60d051ab/FLAG26f1466c7 [2024-12-06 00:57:42,330 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:57:42,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-12-06 00:57:42,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/13389c51b/28a3efd227944d7586271dfd60d051ab/FLAG26f1466c7 [2024-12-06 00:57:42,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/13389c51b/28a3efd227944d7586271dfd60d051ab [2024-12-06 00:57:42,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:57:42,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:57:42,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:42,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:57:42,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:57:42,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:42" (1/1) ... [2024-12-06 00:57:42,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5507394b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:42, skipping insertion in model container [2024-12-06 00:57:42,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:42" (1/1) ... [2024-12-06 00:57:42,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:57:43,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:43,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:57:43,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:43,497 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:57:43,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43 WrapperNode [2024-12-06 00:57:43,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:43,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:43,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:57:43,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:57:43,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,542 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 00:57:43,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:43,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:57:43,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:57:43,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:57:43,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:57:43,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:57:43,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:57:43,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:57:43,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:43,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:57:43,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:57:43,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:57:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:57:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:57:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:57:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:57:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:57:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:57:43,699 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:57:43,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:57:43,783 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 00:57:43,783 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:57:43,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:57:43,810 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:57:43,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:43 BoogieIcfgContainer [2024-12-06 00:57:43,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:57:43,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:57:43,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:57:43,819 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:57:43,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:43" (1/1) ... [2024-12-06 00:57:43,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:57:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 00:57:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 00:57:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:57:43,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 00:57:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 00:57:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:57:44,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:44,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-12-06 00:57:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-12-06 00:57:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:57:44,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:44,213 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:57:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:44,281 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:57:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:44,308 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 00:57:44,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:57:44 ImpRootNode [2024-12-06 00:57:44,331 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:57:44,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:57:44,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:57:44,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:57:44,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:43" (3/4) ... [2024-12-06 00:57:44,334 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:57:44,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:57:44,336 INFO L158 Benchmark]: Toolchain (without parser) took 1714.82ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 63.5MB in the end (delta: 49.6MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,336 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.7MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:44,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.98ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.8MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.26ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.0MB in the end (delta: -58.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,337 INFO L158 Benchmark]: Boogie Preprocessor took 16.65ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 112.4MB in the end (delta: 602.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:44,337 INFO L158 Benchmark]: RCFGBuilder took 250.14ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,338 INFO L158 Benchmark]: CodeCheck took 520.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 64.1MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,338 INFO L158 Benchmark]: Witness Printer took 2.93ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 63.5MB in the end (delta: 602.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:57:44,340 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] data + 1 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 0.32ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.7MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.98ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 54.8MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.26ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.0MB in the end (delta: -58.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.65ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 112.4MB in the end (delta: 602.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.14ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 520.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 64.1MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.93ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 63.5MB in the end (delta: 602.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:57:44,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/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_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b --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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:57:46,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:57:46,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:57:46,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:57:46,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:57:46,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:57:46,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:57:46,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:57:46,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:57:46,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:57:46,411 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:46,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:57:46,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:46,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:46,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:57:46,412 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_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b 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 -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2024-12-06 00:57:46,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:57:46,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:57:46,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:57:46,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:57:46,652 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:57:46,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-12-06 00:57:49,329 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/f76ff4760/3ba34689cbdb40859254090f242ae562/FLAG78fe1940b [2024-12-06 00:57:49,583 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:57:49,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-12-06 00:57:49,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/f76ff4760/3ba34689cbdb40859254090f242ae562/FLAG78fe1940b [2024-12-06 00:57:49,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/data/f76ff4760/3ba34689cbdb40859254090f242ae562 [2024-12-06 00:57:49,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:57:49,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:57:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:49,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:57:49,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:57:49,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:49" (1/1) ... [2024-12-06 00:57:49,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e4c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:49, skipping insertion in model container [2024-12-06 00:57:49,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:49" (1/1) ... [2024-12-06 00:57:49,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:57:50,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:50,312 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:57:50,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:50,488 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:57:50,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50 WrapperNode [2024-12-06 00:57:50,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:50,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:50,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:57:50,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:57:50,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,531 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-06 00:57:50,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:50,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:57:50,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:57:50,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:57:50,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:57:50,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:57:50,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:57:50,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:57:50,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:57:50,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:57:50,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:57:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:57:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:57:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:57:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:57:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:57:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:57:50,744 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:57:50,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:57:50,858 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 00:57:50,858 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:57:50,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:57:50,893 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:57:50,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:50 BoogieIcfgContainer [2024-12-06 00:57:50,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:57:50,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:57:50,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:57:50,902 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:57:50,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:50" (1/1) ... [2024-12-06 00:57:50,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:57:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 00:57:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 00:57:50,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:57:50,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:50,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:50,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:57:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:51,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:51,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:57:51,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:51,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:57:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 00:57:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 00:57:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:57:51,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:51,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:51,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:57:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:51,249 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:57:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:51,341 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:57:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:51,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 00:57:51,370 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:57:51,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:57:51 ImpRootNode [2024-12-06 00:57:51,391 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:57:51,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:57:51,392 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:57:51,392 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:57:51,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:50" (3/4) ... [2024-12-06 00:57:51,394 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:57:51,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:57:51,396 INFO L158 Benchmark]: Toolchain (without parser) took 1773.87ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.3MB in the beginning and 106.5MB in the end (delta: -40.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-12-06 00:57:51,396 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:51,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.47ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 00:57:51,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.73ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:51,397 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:51,398 INFO L158 Benchmark]: RCFGBuilder took 334.37ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 41.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:57:51,398 INFO L158 Benchmark]: CodeCheck took 496.54ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 41.5MB in the beginning and 106.5MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:51,398 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 106.5MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:51,401 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.47ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.73ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.37ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 41.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 496.54ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 41.5MB in the beginning and 106.5MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 106.5MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:57:51,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_479eaeba-651c-4553-9061-a975ec057b6f/bin/ukojak-verify-CZk0znPC7b/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