./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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 fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:04,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:04,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:31:04,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:31:04,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:31:04,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:04,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:04,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:04,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:04,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:04,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:04,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:04,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:31:04,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:04,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:04,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:04,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:04,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:04,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:04,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:04,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:04,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:04,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:04,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:04,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:04,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:31:04,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:31:04,305 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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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 -> fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 [2024-11-25 04:31:04,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:04,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:04,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:04,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:04,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:04,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-25 04:31:08,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/4e832e904/afdf3dd80b02410ab9482ef71094828d/FLAG5cb88e125 [2024-11-25 04:31:08,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:08,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-25 04:31:08,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/4e832e904/afdf3dd80b02410ab9482ef71094828d/FLAG5cb88e125 [2024-11-25 04:31:08,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/4e832e904/afdf3dd80b02410ab9482ef71094828d [2024-11-25 04:31:08,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:08,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:08,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:08,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:08,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:08,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:08" (1/1) ... [2024-11-25 04:31:08,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712ca220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:08, skipping insertion in model container [2024-11-25 04:31:08,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:08" (1/1) ... [2024-11-25 04:31:08,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:10,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:10,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:10,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:10,601 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:10,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10 WrapperNode [2024-11-25 04:31:10,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:10,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:10,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:10,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:10,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,696 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-25 04:31:10,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:10,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:10,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:10,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:10,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:10,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:10,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:10,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:10,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:10,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:10,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:31:10,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:31:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:31:11,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:11,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:11,240 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:11,240 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:11,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:11,292 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:31:11,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:11 BoogieIcfgContainer [2024-11-25 04:31:11,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:11,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:11,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:11,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:11,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:11" (1/1) ... [2024-11-25 04:31:11,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:31:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:31:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:31:11,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:11,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:11,882 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 04:31:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:31:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:31:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:31:11,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:12,024 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:12,157 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:12,224 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:31:12,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:31:12 ImpRootNode [2024-11-25 04:31:12,264 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:31:12,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:31:12,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:31:12,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:31:12,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:11" (3/4) ... [2024-11-25 04:31:12,269 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:31:12,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:31:12,270 INFO L158 Benchmark]: Toolchain (without parser) took 3525.92ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 86.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:12,271 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:12,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1856.72ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:12,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.80ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:12,272 INFO L158 Benchmark]: Boogie Preprocessor took 41.91ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:12,273 INFO L158 Benchmark]: RCFGBuilder took 551.63ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:31:12,273 INFO L158 Benchmark]: CodeCheck took 970.51ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 86.0MB in the end (delta: -23.8MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:12,274 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:12,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.3s 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] ++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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1856.72ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.80ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.91ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.63ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 970.51ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 86.0MB in the end (delta: -23.8MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 13.7kB). 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 04:31:12,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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 fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:15,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:15,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:31:15,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:15,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:15,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:15,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:15,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:15,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:15,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:15,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:15,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:15,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:15,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:15,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:31:15,458 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:31:15,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:31:15,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:31:15,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:31:15,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:15,459 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:15,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:15,459 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:15,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:15,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:15,460 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:15,460 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:31:15,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:15,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:15,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:15,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:15,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:15,462 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:31:15,462 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:15,462 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:31:15,463 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_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/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 -> fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 [2024-11-25 04:31:15,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:15,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:15,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:15,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:15,966 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:15,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-25 04:31:19,017 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/bc8e5e797/e4d993fc9f1947acbe5a168fd403884c/FLAGc90870a0e [2024-11-25 04:31:19,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:19,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-25 04:31:19,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/bc8e5e797/e4d993fc9f1947acbe5a168fd403884c/FLAGc90870a0e [2024-11-25 04:31:19,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/data/bc8e5e797/e4d993fc9f1947acbe5a168fd403884c [2024-11-25 04:31:19,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:19,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:19,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:19,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:19,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:19,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:19" (1/1) ... [2024-11-25 04:31:19,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40345021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:19, skipping insertion in model container [2024-11-25 04:31:19,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:19" (1/1) ... [2024-11-25 04:31:19,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:20,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:20,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:20,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:21,181 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:21,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21 WrapperNode [2024-11-25 04:31:21,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:21,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:21,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:21,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:21,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,235 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 04:31:21,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:21,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:21,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:21,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:21,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:21,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:21,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:21,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:21,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:21,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:21,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:31:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:31:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:31:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:21,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:21,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:21,646 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:21,646 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:21,722 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:21,722 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:31:21,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:21 BoogieIcfgContainer [2024-11-25 04:31:21,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:21,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:21,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:21,738 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:21,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:21" (1/1) ... [2024-11-25 04:31:21,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:31:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:31:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:31:21,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:21,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:21,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:21,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:21,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:31:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:22,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:22,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:31:22,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:22,199 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 04:31:22,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:31:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 04:31:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 04:31:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:31:22,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:22,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:22,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:22,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:22,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:31:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:22,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:22,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:22,699 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:31:22,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:22,702 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:31:22,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:31:22 ImpRootNode [2024-11-25 04:31:22,738 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:31:22,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:31:22,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:31:22,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:31:22,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:21" (3/4) ... [2024-11-25 04:31:22,749 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:31:22,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:31:22,751 INFO L158 Benchmark]: Toolchain (without parser) took 3133.05ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 49.9MB in the end (delta: 7.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:22,752 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:22,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.53ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.3MB in the end (delta: 6.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:22,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:22,755 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:22,756 INFO L158 Benchmark]: RCFGBuilder took 457.98ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 31.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:31:22,756 INFO L158 Benchmark]: CodeCheck took 1013.89ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 50.3MB in the end (delta: -19.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-25 04:31:22,757 INFO L158 Benchmark]: Witness Printer took 12.02ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.9MB in the end (delta: 441.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:22,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] ++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 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.53ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.3MB in the end (delta: 6.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.98ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 31.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1013.89ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 50.3MB in the end (delta: -19.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 12.02ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.9MB in the end (delta: 441.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:31:22,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dd13ac-6ebf-4590-a8d8-1bcf5a59670f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample