./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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 eedfae737a6c4ac7f4d17d34c2aaf74f5b445f07fbad54294b7c38bb5a3e741b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:29:07,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:29:07,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:29:07,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:29:07,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:29:07,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:29:07,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:29:07,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:29:07,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:29:07,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:29:07,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:29:07,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:29:07,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:29:07,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:29:07,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:29:07,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:29:07,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:29:07,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:29:07,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:29:07,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:29:07,606 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:29:07,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:29:07,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:29:07,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:29:07,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:29:07,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:29:07,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:07,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:29:07,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:29:07,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:29:07,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:29:07,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:29:07,608 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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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 -> eedfae737a6c4ac7f4d17d34c2aaf74f5b445f07fbad54294b7c38bb5a3e741b [2024-11-25 02:29:07,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:29:07,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:29:07,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:29:07,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:29:07,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:29:07,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i [2024-11-25 02:29:11,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/23ae964d9/c5921ba0e60a42e2a182b0c6fa84d46d/FLAG039866be3 [2024-11-25 02:29:11,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:29:11,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i [2024-11-25 02:29:11,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/23ae964d9/c5921ba0e60a42e2a182b0c6fa84d46d/FLAG039866be3 [2024-11-25 02:29:11,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/23ae964d9/c5921ba0e60a42e2a182b0c6fa84d46d [2024-11-25 02:29:11,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:29:11,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:29:11,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:11,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:29:11,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:29:11,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:11" (1/1) ... [2024-11-25 02:29:11,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b6df6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:11, skipping insertion in model container [2024-11-25 02:29:11,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:11" (1/1) ... [2024-11-25 02:29:11,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:29:12,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:12,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:29:12,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:12,921 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:29:12,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12 WrapperNode [2024-11-25 02:29:12,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:12,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:12,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:29:12,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:29:12,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,987 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-25 02:29:12,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:12,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:29:12,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:29:12,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:29:12,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:29:13,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:29:13,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:29:13,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:29:13,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:13,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:29:13,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:29:13,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:29:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:29:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:29:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:29:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:29:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:29:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:29:13,278 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:29:13,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:29:13,422 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 02:29:13,422 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:29:13,480 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:29:13,480 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:29:13,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:13 BoogieIcfgContainer [2024-11-25 02:29:13,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:29:13,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:29:13,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:29:13,492 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:29:13,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:13" (1/1) ... [2024-11-25 02:29:13,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:29:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:29:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:29:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:29:13,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:13,929 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 02:29:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:29:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:29:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:14,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:14,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:14,059 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:29:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:14,140 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:29:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:14,182 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:29:14,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:29:14 ImpRootNode [2024-11-25 02:29:14,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:29:14,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:29:14,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:29:14,226 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:29:14,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:13" (3/4) ... [2024-11-25 02:29:14,230 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:29:14,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:29:14,232 INFO L158 Benchmark]: Toolchain (without parser) took 2676.31ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.8MB in the beginning and 314.2MB in the end (delta: -223.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,232 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.00ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.6MB in the end (delta: 8.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.40ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,236 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,236 INFO L158 Benchmark]: RCFGBuilder took 452.04ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 63.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,237 INFO L158 Benchmark]: CodeCheck took 741.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.9MB in the beginning and 314.9MB in the end (delta: -250.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,237 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 352.3MB. Free memory was 314.9MB in the beginning and 314.2MB in the end (delta: 683.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,241 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.2s 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of fgets at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1561] 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] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL badSink(data) [L1551] ++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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.00ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.6MB in the end (delta: 8.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.40ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.04ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 63.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 741.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.9MB in the beginning and 314.9MB in the end (delta: -250.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 352.3MB. Free memory was 314.9MB in the beginning and 314.2MB in the end (delta: 683.0kB). 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 02:29:14,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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 eedfae737a6c4ac7f4d17d34c2aaf74f5b445f07fbad54294b7c38bb5a3e741b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:29:17,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:29:17,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:29:17,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:29:17,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:29:17,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:29:17,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:29:17,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:29:17,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:29:17,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:29:17,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:29:17,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:29:17,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:29:17,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:29:17,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:29:17,347 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:29:17,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:29:17,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:29:17,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:17,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:29:17,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:17,350 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:29:17,350 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_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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 -> eedfae737a6c4ac7f4d17d34c2aaf74f5b445f07fbad54294b7c38bb5a3e741b [2024-11-25 02:29:17,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:29:17,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:29:17,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:29:17,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:29:17,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:29:17,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i [2024-11-25 02:29:21,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/0f78f8495/bc318a4f515f4aa589af6bb3cae3cf1b/FLAG17b9fb54e [2024-11-25 02:29:21,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:29:21,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_41_bad.i [2024-11-25 02:29:21,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/0f78f8495/bc318a4f515f4aa589af6bb3cae3cf1b/FLAG17b9fb54e [2024-11-25 02:29:21,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/data/0f78f8495/bc318a4f515f4aa589af6bb3cae3cf1b [2024-11-25 02:29:21,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:29:21,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:29:21,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:21,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:29:21,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:29:21,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:21" (1/1) ... [2024-11-25 02:29:21,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75286d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:21, skipping insertion in model container [2024-11-25 02:29:21,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:21" (1/1) ... [2024-11-25 02:29:21,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:29:22,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:22,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:29:22,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:23,022 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:29:23,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23 WrapperNode [2024-11-25 02:29:23,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:23,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:23,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:29:23,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:29:23,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,081 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-25 02:29:23,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:23,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:29:23,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:29:23,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:29:23,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,101 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:29:23,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:29:23,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:29:23,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:29:23,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:23,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:29:23,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:29:23,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:29:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:29:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:29:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:29:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:29:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:29:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:29:23,332 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:29:23,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:29:23,496 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:29:23,496 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:29:23,555 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:29:23,555 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:29:23,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:23 BoogieIcfgContainer [2024-11-25 02:29:23,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:29:23,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:29:23,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:29:23,570 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:29:23,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:23" (1/1) ... [2024-11-25 02:29:23,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:29:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:29:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:29:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:29:23,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:23,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:23,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:23,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:29:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:23,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:29:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:23,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:29:23,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:23,931 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 02:29:23,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:29:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:29:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:29:23,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:23,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:23,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:23,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:23,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:29:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:24,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:29:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:24,276 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:29:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:29:24,310 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:29:24,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:29:24,312 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:29:24,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:29:24 ImpRootNode [2024-11-25 02:29:24,340 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:29:24,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:29:24,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:29:24,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:29:24,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:23" (3/4) ... [2024-11-25 02:29:24,346 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:29:24,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:29:24,348 INFO L158 Benchmark]: Toolchain (without parser) took 2629.17ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 28.7MB in the end (delta: 28.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-25 02:29:24,348 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:24,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1302.85ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 53.7MB in the end (delta: 3.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 02:29:24,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.77ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 51.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:24,350 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 49.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:24,351 INFO L158 Benchmark]: RCFGBuilder took 445.41ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 33.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:29:24,351 INFO L158 Benchmark]: CodeCheck took 782.92ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 28.7MB in the end (delta: 4.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-25 02:29:24,352 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 83.9MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 5.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:24,354 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 50 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of fgets at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1561] 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] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL badSink(data) [L1551] ++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 0.49ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1302.85ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 53.7MB in the end (delta: 3.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.77ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 51.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 49.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.41ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 33.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 782.92ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 28.7MB in the end (delta: 4.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 83.9MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 5.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:29:24,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe18e1d5-1e67-4c84-aeef-9bc0ccfbf785/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