./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_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_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b --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 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:52:27,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:52:27,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:52:27,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:52:27,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:52:27,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:52:27,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:52:27,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:52:27,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:52:27,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:52:27,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:52:27,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:52:27,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:52:27,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:52:27,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:52:27,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:52:27,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:52:27,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:52:27,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:52:27,159 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_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b 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 -> 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce [2024-12-06 01:52:27,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:52:27,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:52:27,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:52:27,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:52:27,373 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:52:27,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-12-06 01:52:30,050 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/d073a1d9d/32fa2cc20d184ff9b37fe7926d8b3275/FLAG704c3528e [2024-12-06 01:52:30,377 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:52:30,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-12-06 01:52:30,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/d073a1d9d/32fa2cc20d184ff9b37fe7926d8b3275/FLAG704c3528e [2024-12-06 01:52:30,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/d073a1d9d/32fa2cc20d184ff9b37fe7926d8b3275 [2024-12-06 01:52:30,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:52:30,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:52:30,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:52:30,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:52:30,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:52:30,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:52:30" (1/1) ... [2024-12-06 01:52:30,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728850b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:30, skipping insertion in model container [2024-12-06 01:52:30,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:52:30" (1/1) ... [2024-12-06 01:52:30,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:52:31,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:52:31,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:52:31,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:52:31,460 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:52:31,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31 WrapperNode [2024-12-06 01:52:31,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:52:31,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:52:31,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:52:31,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:52:31,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,503 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-12-06 01:52:31,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:52:31,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:52:31,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:52:31,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:52:31,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:52:31,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:52:31,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:52:31,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:52:31,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:52:31,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:52:31,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:52:31,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:52:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:52:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:52:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:52:31,687 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:52:31,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:52:31,795 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 01:52:31,795 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:52:31,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:52:31,827 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:52:31,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:31 BoogieIcfgContainer [2024-12-06 01:52:31,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:52:31,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:52:31,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:52:31,838 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:52:31,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:31" (1/1) ... [2024-12-06 01:52:31,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:52:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:52:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:52:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:52:31,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:52:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:52:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:52:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:52:32,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:32,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:32,427 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:52:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:32,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:52:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:32,549 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:52:32,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:52:32 ImpRootNode [2024-12-06 01:52:32,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:52:32,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:52:32,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:52:32,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:52:32,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:31" (3/4) ... [2024-12-06 01:52:32,577 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:52:32,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:52:32,579 INFO L158 Benchmark]: Toolchain (without parser) took 1955.97ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 96.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-12-06 01:52:32,579 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:32,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.65ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 55.1MB in the end (delta: 59.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:52:32,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 114.3MB in the end (delta: -59.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-06 01:52:32,580 INFO L158 Benchmark]: Boogie Preprocessor took 22.44ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 113.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:32,581 INFO L158 Benchmark]: RCFGBuilder took 300.66ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 97.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:52:32,581 INFO L158 Benchmark]: CodeCheck took 745.22ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 182.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:32,581 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.8MB in the end (delta: 750.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:32,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={26534:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] ++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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.65ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 55.1MB in the end (delta: 59.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 114.3MB in the end (delta: -59.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.44ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 113.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.66ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 97.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 745.22ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 182.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.8MB in the end (delta: 750.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:52:32,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/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_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b --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 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:52:34,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:52:34,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:52:34,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:52:34,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:52:34,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:52:34,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:52:34,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:52:34,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:52:34,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:52:34,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:34,613 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:52:34,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:52:34,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:34,614 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:52:34,614 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_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b 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 -> 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce [2024-12-06 01:52:34,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:52:34,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:52:34,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:52:34,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:52:34,875 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:52:34,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-12-06 01:52:37,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/17c6b6301/e2df69601ef145e2838f4b8aecb84aee/FLAGbc8b9d7cc [2024-12-06 01:52:37,856 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:52:37,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-12-06 01:52:37,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/17c6b6301/e2df69601ef145e2838f4b8aecb84aee/FLAGbc8b9d7cc [2024-12-06 01:52:37,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/data/17c6b6301/e2df69601ef145e2838f4b8aecb84aee [2024-12-06 01:52:37,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:52:37,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:52:37,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:52:37,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:52:37,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:52:37,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:52:37" (1/1) ... [2024-12-06 01:52:37,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb24eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:37, skipping insertion in model container [2024-12-06 01:52:37,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:52:37" (1/1) ... [2024-12-06 01:52:37,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:52:38,622 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 01:52:38,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:52:38,636 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:52:38,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:52:38,837 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:52:38,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38 WrapperNode [2024-12-06 01:52:38,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:52:38,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:52:38,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:52:38,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:52:38,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,881 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-12-06 01:52:38,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:52:38,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:52:38,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:52:38,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:52:38,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:52:38,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:52:38,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:52:38,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:52:38,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:52:38" (1/1) ... [2024-12-06 01:52:38,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:52:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:52:38,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:52:38,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:52:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:52:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:52:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:52:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:52:39,079 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:52:39,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:52:39,203 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 01:52:39,203 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:52:39,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:52:39,238 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:52:39,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:39 BoogieIcfgContainer [2024-12-06 01:52:39,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:52:39,240 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:52:39,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:52:39,249 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:52:39,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:39" (1/1) ... [2024-12-06 01:52:39,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:52:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 01:52:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 01:52:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:52:39,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:39,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:39,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:39,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:39,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:52:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:39,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:39,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:52:39,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:52:39,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:52:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:52:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:52:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:52:39,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:39,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:39,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:39,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:52:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:39,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:52:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:39,909 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:52:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:52:39,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:52:39,960 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:52:39,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:52:39 ImpRootNode [2024-12-06 01:52:39,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:52:39,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:52:39,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:52:39,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:52:39,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:52:39" (3/4) ... [2024-12-06 01:52:39,983 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:52:39,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:52:39,985 INFO L158 Benchmark]: Toolchain (without parser) took 2088.71ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 34.5MB in the end (delta: 32.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-12-06 01:52:39,985 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:39,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.51ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 63.2MB in the end (delta: 3.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 01:52:39,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.32ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:39,986 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:39,986 INFO L158 Benchmark]: RCFGBuilder took 328.19ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 41.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:52:39,987 INFO L158 Benchmark]: CodeCheck took 740.67ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 34.5MB in the end (delta: 6.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 01:52:39,987 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 92.3MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:52:39,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 79 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] ++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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.51ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 63.2MB in the end (delta: 3.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.32ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.19ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 41.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 740.67ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 34.5MB in the end (delta: 6.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 92.3MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:52:40,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fadd1f-781f-453e-8eb4-80e76303e572/bin/ukojak-verify-CZk0znPC7b/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