./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6543db5d30f08824d9246bc55c721a6a0069742fa30ebaba77edc99892d3bbc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:53,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:53,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:41:53,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:41:53,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:41:53,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:53,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:53,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:53,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:53,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:53,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:53,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:53,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:41:53,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:41:53,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:53,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:53,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:53,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:53,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:53,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:41:53,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:41:53,167 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_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6543db5d30f08824d9246bc55c721a6a0069742fa30ebaba77edc99892d3bbc9 [2024-11-13 16:41:53,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:53,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:53,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:53,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:53,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:53,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i Unable to find full path for "g++" [2024-11-13 16:41:55,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:56,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:56,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i [2024-11-13 16:41:56,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/bdd2a60de/1a3d59d775004ee4a1ade04272e7d866/FLAGb058a6940 [2024-11-13 16:41:56,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/bdd2a60de/1a3d59d775004ee4a1ade04272e7d866 [2024-11-13 16:41:56,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:56,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:56,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:56,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:56,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:56,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:56" (1/1) ... [2024-11-13 16:41:56,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dbdbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:56, skipping insertion in model container [2024-11-13 16:41:56,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:56" (1/1) ... [2024-11-13 16:41:56,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:57,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:57,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:57,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:57,417 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:57,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57 WrapperNode [2024-11-13 16:41:57,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:57,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:57,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:57,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:57,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,464 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 16:41:57,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:57,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:57,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:57,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:57,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:57,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:57,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:57,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:57,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:57" (1/1) ... [2024-11-13 16:41:57,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:57,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:57,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:57,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:41:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:41:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:41:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:41:57,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:57,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:57,954 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:57,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:41:58,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:41:58,000 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:41:58,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:58 BoogieIcfgContainer [2024-11-13 16:41:58,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:41:58,008 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:41:58,008 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:41:58,022 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:41:58,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:58" (1/1) ... [2024-11-13 16:41:58,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:41:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 16:41:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 16:41:58,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:41:58,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:58,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 16:41:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 16:41:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:41:58,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:58,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-13 16:41:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 16:41:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:41:58,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:58,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:58,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:58,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:58,856 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:41:58,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:41:58 ImpRootNode [2024-11-13 16:41:58,891 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:41:58,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:41:58,892 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:41:58,892 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:41:58,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:58" (3/4) ... [2024-11-13 16:41:58,896 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:41:58,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:41:58,897 INFO L158 Benchmark]: Toolchain (without parser) took 2802.33ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 77.9MB in the end (delta: 10.9MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-13 16:41:58,898 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:58,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.41ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 80.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 16:41:58,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:58,899 INFO L158 Benchmark]: Boogie Preprocessor took 36.67ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:58,900 INFO L158 Benchmark]: RCFGBuilder took 498.32ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 62.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:58,900 INFO L158 Benchmark]: CodeCheck took 883.71ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 77.9MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:58,901 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:58,903 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 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, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.41ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 80.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.67ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.32ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 62.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 883.71ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 77.9MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:41:58,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6543db5d30f08824d9246bc55c721a6a0069742fa30ebaba77edc99892d3bbc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:42:02,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:42:02,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:42:02,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:42:02,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:42:02,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:42:02,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:42:02,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:42:02,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:42:02,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:42:02,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:42:02,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:42:02,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:42:02,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:42:02,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:42:02,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:02,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:42:02,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:42:02,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:42:02,209 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:42:02,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:02,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:42:02,209 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_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6543db5d30f08824d9246bc55c721a6a0069742fa30ebaba77edc99892d3bbc9 [2024-11-13 16:42:02,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:42:02,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:42:02,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:42:02,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:42:02,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:42:02,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i Unable to find full path for "g++" [2024-11-13 16:42:04,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:42:05,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:42:05,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_03_bad.i [2024-11-13 16:42:05,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/32030d976/dde44a67e1784ec58bd5a487f8f7d337/FLAG67cd54f23 [2024-11-13 16:42:05,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/data/32030d976/dde44a67e1784ec58bd5a487f8f7d337 [2024-11-13 16:42:05,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:42:05,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:42:05,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:05,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:42:05,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:42:05,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:05" (1/1) ... [2024-11-13 16:42:05,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de62ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:05, skipping insertion in model container [2024-11-13 16:42:05,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:05" (1/1) ... [2024-11-13 16:42:05,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:42:06,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:06,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:42:06,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:06,449 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:42:06,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06 WrapperNode [2024-11-13 16:42:06,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:06,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:06,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:42:06,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:42:06,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,506 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 16:42:06,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:06,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:42:06,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:42:06,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:42:06,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:42:06,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:42:06,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:42:06,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:42:06,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:06" (1/1) ... [2024-11-13 16:42:06,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:06,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:42:06,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:42:06,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:42:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:42:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:42:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:42:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:42:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:42:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:42:06,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:42:06,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:42:06,960 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 16:42:06,960 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:42:07,035 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:42:07,038 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:42:07,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:07 BoogieIcfgContainer [2024-11-13 16:42:07,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:42:07,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:42:07,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:42:07,050 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:42:07,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:07" (1/1) ... [2024-11-13 16:42:07,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:42:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 16:42:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 16:42:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:42:07,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:07,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:07,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:07,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:07,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:42:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:07,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:07,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:42:07,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:42:07,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:42:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 16:42:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 16:42:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:42:07,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:07,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:07,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:07,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:42:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:07,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:42:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:07,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:42:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:07,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:42:07,822 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:42:07,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:42:07 ImpRootNode [2024-11-13 16:42:07,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:42:07,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:42:07,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:42:07,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:42:07,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:07" (3/4) ... [2024-11-13 16:42:07,862 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:42:07,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:42:07,864 INFO L158 Benchmark]: Toolchain (without parser) took 2785.85ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.7MB in the end (delta: 21.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-13 16:42:07,865 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:07,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.84ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 78.0MB in the end (delta: 12.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 16:42:07,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.35ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:07,870 INFO L158 Benchmark]: Boogie Preprocessor took 44.20ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:07,870 INFO L158 Benchmark]: RCFGBuilder took 482.69ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 56.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:42:07,870 INFO L158 Benchmark]: CodeCheck took 817.73ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 70.3MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:07,871 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 583.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:07,873 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, 19 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, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 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, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.84ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 78.0MB in the end (delta: 12.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.35ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.20ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.69ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 56.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 817.73ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 70.3MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 583.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:42:07,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa10fed2-3b7f-4454-abcf-be17c38ba42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample