./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_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_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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_754205dd-27e2-4ffd-be4b-08bd76854baf/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 e6eb2df243d9c0b947249e9f29f314fc1d281e7e3424f2b455cd09857f0f0abe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:45:38,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:45:38,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:45:38,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:45:38,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:45:38,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:45:38,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:45:38,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:45:38,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:45:38,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:45:38,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:45:38,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:45:38,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:45:38,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:45:38,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:45:38,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:45:38,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:45:38,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:45:38,309 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:45:38,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:45:38,309 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_754205dd-27e2-4ffd-be4b-08bd76854baf/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 -> e6eb2df243d9c0b947249e9f29f314fc1d281e7e3424f2b455cd09857f0f0abe [2024-11-25 03:45:38,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:45:38,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:45:38,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:45:38,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:45:38,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:45:38,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i [2024-11-25 03:45:41,541 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/584e0000d/d3c3a8fb29ba49b0a2b248a103b4239d/FLAGfe4c7485b [2024-11-25 03:45:42,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:45:42,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i [2024-11-25 03:45:42,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/584e0000d/d3c3a8fb29ba49b0a2b248a103b4239d/FLAGfe4c7485b [2024-11-25 03:45:42,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/584e0000d/d3c3a8fb29ba49b0a2b248a103b4239d [2024-11-25 03:45:42,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:45:42,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:45:42,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:45:42,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:45:42,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:45:42,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:42" (1/1) ... [2024-11-25 03:45:42,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5b27ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:42, skipping insertion in model container [2024-11-25 03:45:42,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:42" (1/1) ... [2024-11-25 03:45:42,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:45:43,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:45:43,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:45:43,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:45:43,515 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:45:43,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43 WrapperNode [2024-11-25 03:45:43,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:45:43,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:45:43,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:45:43,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:45:43,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,588 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 03:45:43,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:45:43,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:45:43,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:45:43,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:45:43,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:45:43,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:45:43,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:45:43,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:45:43,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:43" (1/1) ... [2024-11-25 03:45:43,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:45:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:45:43,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:45:43,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:45:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:45:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:45:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:45:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:45:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:45:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:45:43,882 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:45:43,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:45:44,023 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 03:45:44,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:45:44,054 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:45:44,054 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:45:44,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:44 BoogieIcfgContainer [2024-11-25 03:45:44,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:45:44,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:45:44,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:45:44,065 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:45:44,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:44" (1/1) ... [2024-11-25 03:45:44,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:45:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 03:45:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 03:45:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:45:44,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:44,395 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 03:45:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 23 transitions. [2024-11-25 03:45:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 03:45:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:45:44,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:44,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:44,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:45:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:44,602 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:45:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:44,630 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 03:45:44,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:45:44 ImpRootNode [2024-11-25 03:45:44,679 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:45:44,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:45:44,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:45:44,680 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:45:44,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:44" (3/4) ... [2024-11-25 03:45:44,683 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:45:44,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:45:44,685 INFO L158 Benchmark]: Toolchain (without parser) took 2544.81ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 90.8MB in the beginning and 280.1MB in the end (delta: -189.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-25 03:45:44,685 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:44,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.42ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 81.4MB in the end (delta: 9.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 03:45:44,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.05ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:45:44,686 INFO L158 Benchmark]: Boogie Preprocessor took 39.48ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:44,687 INFO L158 Benchmark]: RCFGBuilder took 425.03ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.5MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:45:44,687 INFO L158 Benchmark]: CodeCheck took 623.70ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 63.5MB in the beginning and 280.2MB in the end (delta: -216.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-25 03:45:44,687 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 310.4MB. Free memory was 280.2MB in the beginning and 280.1MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:44,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.42ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 81.4MB in the end (delta: 9.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.05ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.48ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.03ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.5MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 623.70ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 63.5MB in the beginning and 280.2MB in the end (delta: -216.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 310.4MB. Free memory was 280.2MB in the beginning and 280.1MB in the end (delta: 11.7kB). 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 03:45:44,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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_754205dd-27e2-4ffd-be4b-08bd76854baf/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 e6eb2df243d9c0b947249e9f29f314fc1d281e7e3424f2b455cd09857f0f0abe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:45:47,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:45:47,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:45:47,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:45:47,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:45:47,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:45:47,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:45:47,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:45:47,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:45:47,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:45:47,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:45:47,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:45:47,577 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:45:47,577 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:45:47,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:45:47,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:45:47,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:45:47,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:45:47,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:45:47,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:45:47,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:45:47,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:45:47,581 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_754205dd-27e2-4ffd-be4b-08bd76854baf/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 -> e6eb2df243d9c0b947249e9f29f314fc1d281e7e3424f2b455cd09857f0f0abe [2024-11-25 03:45:47,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:45:47,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:45:47,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:45:47,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:45:47,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:45:47,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i [2024-11-25 03:45:50,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/b10c0a35c/ed2ed17b554847c69c4fc90ee95b3c63/FLAGe3aac42b9 [2024-11-25 03:45:51,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:45:51,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_bad.i [2024-11-25 03:45:51,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/b10c0a35c/ed2ed17b554847c69c4fc90ee95b3c63/FLAGe3aac42b9 [2024-11-25 03:45:51,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/data/b10c0a35c/ed2ed17b554847c69c4fc90ee95b3c63 [2024-11-25 03:45:51,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:45:51,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:45:51,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:45:51,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:45:51,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:45:51,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:51" (1/1) ... [2024-11-25 03:45:51,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0544bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:51, skipping insertion in model container [2024-11-25 03:45:51,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:51" (1/1) ... [2024-11-25 03:45:51,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:45:52,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:45:52,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:45:52,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:45:52,656 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:45:52,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52 WrapperNode [2024-11-25 03:45:52,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:45:52,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:45:52,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:45:52,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:45:52,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,708 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 03:45:52,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:45:52,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:45:52,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:45:52,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:45:52,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:45:52,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:45:52,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:45:52,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:45:52,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:52" (1/1) ... [2024-11-25 03:45:52,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:45:52,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:45:52,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:45:52,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:45:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:45:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:45:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:45:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:45:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:45:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:45:52,941 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:45:52,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:45:53,103 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 03:45:53,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:45:53,142 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:45:53,142 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:45:53,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:53 BoogieIcfgContainer [2024-11-25 03:45:53,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:45:53,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:45:53,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:45:53,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:45:53,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:53" (1/1) ... [2024-11-25 03:45:53,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:45:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 03:45:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 03:45:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:45:53,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:45:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:45:53,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:45:53,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:45:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:53,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:45:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:53,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:45:53,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:45:53,518 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 03:45:53,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:45:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 03:45:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 03:45:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:45:53,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:53,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:45:53,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:45:53,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:45:53,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:45:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:53,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:45:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:53,865 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:45:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:53,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:45:53,909 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 03:45:53,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:45:53 ImpRootNode [2024-11-25 03:45:53,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:45:53,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:45:53,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:45:53,937 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:45:53,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:53" (3/4) ... [2024-11-25 03:45:53,940 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:45:53,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:45:53,942 INFO L158 Benchmark]: Toolchain (without parser) took 2595.64ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.2MB in the beginning and 196.7MB in the end (delta: -107.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-25 03:45:53,943 INFO L158 Benchmark]: CDTParser took 3.31ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:53,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.30ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.0MB in the end (delta: 21.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-25 03:45:53,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.53ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:53,944 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:53,945 INFO L158 Benchmark]: RCFGBuilder took 406.67ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 47.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:45:53,945 INFO L158 Benchmark]: CodeCheck took 792.68ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.3MB in the beginning and 197.3MB in the end (delta: -150.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:53,945 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 243.3MB. Free memory was 197.3MB in the beginning and 196.7MB in the end (delta: 564.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:45:53,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 3.31ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.30ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.0MB in the end (delta: 21.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.53ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.67ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 47.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 792.68ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.3MB in the beginning and 197.3MB in the end (delta: -150.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 243.3MB. Free memory was 197.3MB in the beginning and 196.7MB in the end (delta: 564.7kB). 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 03:45:53,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754205dd-27e2-4ffd-be4b-08bd76854baf/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