./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_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_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:35:48,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:49,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:35:49,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:35:49,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:35:49,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:49,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:49,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:49,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:49,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:49,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:49,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:49,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:35:49,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:49,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:49,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:49,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:49,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:35:49,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:35:49,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:49,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:49,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:49,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:49,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:49,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:49,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:49,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:49,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:49,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:49,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:49,083 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:35:49,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:35:49,083 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_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d [2024-11-25 02:35:49,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:49,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:49,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:49,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:49,505 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:49,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-25 02:35:52,690 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/14961d656/d7bde5db94a543bf9b831976505c5341/FLAGc97bb86d2 [2024-11-25 02:35:53,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:53,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-25 02:35:53,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/14961d656/d7bde5db94a543bf9b831976505c5341/FLAGc97bb86d2 [2024-11-25 02:35:53,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/14961d656/d7bde5db94a543bf9b831976505c5341 [2024-11-25 02:35:53,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:53,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:53,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:53,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:53,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:53,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:53" (1/1) ... [2024-11-25 02:35:53,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae91134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:53, skipping insertion in model container [2024-11-25 02:35:53,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:53" (1/1) ... [2024-11-25 02:35:53,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:54,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:54,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:54,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:54,723 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:54,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54 WrapperNode [2024-11-25 02:35:54,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:54,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:54,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:54,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:54,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,806 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-25 02:35:54,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:54,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:54,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:54,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:54,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,840 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:54,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:54,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:54,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:54,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:54" (1/1) ... [2024-11-25 02:35:54,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:54,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:54,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:35:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:35:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:35:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:35:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:35:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:35:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:35:55,160 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:55,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:55,339 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:55,339 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:55,387 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:55,387 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:35:55,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:55 BoogieIcfgContainer [2024-11-25 02:35:55,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:55,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:55,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:55,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:55,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:55" (1/1) ... [2024-11-25 02:35:55,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:35:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:35:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:35:55,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:55,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:35:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:35:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:35:56,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:56,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:56,425 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:56,471 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:35:56,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:35:56 ImpRootNode [2024-11-25 02:35:56,522 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:35:56,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:35:56,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:35:56,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:35:56,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:55" (3/4) ... [2024-11-25 02:35:56,527 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:35:56,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:35:56,532 INFO L158 Benchmark]: Toolchain (without parser) took 3314.31ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 89.3MB in the beginning and 124.4MB in the end (delta: -35.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:56,533 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:56,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.65ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.9MB in the end (delta: 9.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 02:35:56,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.91ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:56,536 INFO L158 Benchmark]: Boogie Preprocessor took 55.71ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:56,537 INFO L158 Benchmark]: RCFGBuilder took 522.55ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:35:56,537 INFO L158 Benchmark]: CodeCheck took 1132.76ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 62.2MB in the beginning and 124.4MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:56,537 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 124.4MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:56,542 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 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, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={27377:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.65ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.9MB in the end (delta: 9.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.91ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.71ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.55ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1132.76ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 62.2MB in the beginning and 124.4MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 124.4MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:35:56,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:35:59,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:59,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:36:00,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:36:00,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:36:00,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:36:00,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:36:00,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:36:00,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:36:00,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:36:00,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:36:00,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:36:00,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:36:00,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:36:00,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:36:00,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:36:00,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:36:00,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:36:00,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:36:00,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:00,014 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:36:00,014 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_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d [2024-11-25 02:36:00,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:36:00,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:36:00,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:36:00,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:36:00,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:36:00,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-25 02:36:03,690 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/db806838d/364b67394c904c409b82a28210852420/FLAGf5e3965f2 [2024-11-25 02:36:04,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:36:04,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-25 02:36:04,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/db806838d/364b67394c904c409b82a28210852420/FLAGf5e3965f2 [2024-11-25 02:36:04,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/data/db806838d/364b67394c904c409b82a28210852420 [2024-11-25 02:36:04,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:36:04,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:36:04,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:36:04,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:36:04,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:36:04,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:36:04" (1/1) ... [2024-11-25 02:36:04,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2b6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:04, skipping insertion in model container [2024-11-25 02:36:04,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:36:04" (1/1) ... [2024-11-25 02:36:04,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:36:05,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:36:05,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:36:05,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:36:05,753 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:36:05,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05 WrapperNode [2024-11-25 02:36:05,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:36:05,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:36:05,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:36:05,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:36:05,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,830 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-25 02:36:05,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:36:05,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:36:05,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:36:05,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:36:05,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,867 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:36:05,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:36:05,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:36:05,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:36:05,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:05" (1/1) ... [2024-11-25 02:36:05,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:36:05,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:36:05,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:36:05,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:36:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:36:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:36:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:36:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 02:36:06,114 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:36:06,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:36:06,266 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:36:06,267 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:36:06,317 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:36:06,317 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:36:06,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:36:06 BoogieIcfgContainer [2024-11-25 02:36:06,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:36:06,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:36:06,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:36:06,333 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:36:06,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:36:06" (1/1) ... [2024-11-25 02:36:06,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:36:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:36:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:36:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:36:06,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:06,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:06,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:06,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:36:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:06,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:06,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:36:06,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:06,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:36:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:36:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:36:06,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:06,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:06,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:06,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:36:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:36:07,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:36:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:36:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:36:07,186 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:36:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:36:07,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:36:07,244 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:36:07,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:36:07 ImpRootNode [2024-11-25 02:36:07,280 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:36:07,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:36:07,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:36:07,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:36:07,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:36:06" (3/4) ... [2024-11-25 02:36:07,284 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:36:07,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:36:07,288 INFO L158 Benchmark]: Toolchain (without parser) took 3025.84ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.9MB in the beginning and 206.6MB in the end (delta: -116.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-25 02:36:07,288 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:07,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.75ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 67.9MB in the end (delta: 22.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-25 02:36:07,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.76ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 65.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:07,290 INFO L158 Benchmark]: Boogie Preprocessor took 56.07ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:07,290 INFO L158 Benchmark]: RCFGBuilder took 428.01ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 46.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:36:07,290 INFO L158 Benchmark]: CodeCheck took 962.42ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 46.9MB in the beginning and 206.6MB in the end (delta: -159.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:07,291 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 260.0MB. Free memory was 206.6MB in the beginning and 206.6MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:07,293 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.51ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.75ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 67.9MB in the end (delta: 22.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.76ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 65.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.07ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.01ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 46.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 962.42ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 46.9MB in the beginning and 206.6MB in the end (delta: -159.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 260.0MB. Free memory was 206.6MB in the beginning and 206.6MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:36:07,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c09ba18-5774-461e-9ca7-41b109d62f89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample