./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk --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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:45:06,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:45:06,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:45:06,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:45:06,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:45:06,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:45:06,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:45:06,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:45:06,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:45:06,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:45:06,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:45:06,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:45:06,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:45:06,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:45:06,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:45:06,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:45:06,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:45:06,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:45:06,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:45:06,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:45:06,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:45:06,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:45:06,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:45:06,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:45:06,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:45:06,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:45:06,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:06,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:45:06,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:45:06,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:45:06,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:45:06,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:45:06,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2024-11-08 22:45:06,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:45:06,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:45:06,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:45:06,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:45:06,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:45:06,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:45:08,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:45:09,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:45:09,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-08 22:45:09,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/14cfc77b0/33d621f46928423bbdd17fe700aa8329/FLAGd76f7bb94 [2024-11-08 22:45:09,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/14cfc77b0/33d621f46928423bbdd17fe700aa8329 [2024-11-08 22:45:09,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:45:09,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:45:09,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:45:09,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:45:09,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:45:09,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:09" (1/1) ... [2024-11-08 22:45:09,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f088315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:09, skipping insertion in model container [2024-11-08 22:45:09,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:09" (1/1) ... [2024-11-08 22:45:09,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:45:10,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:45:10,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:45:10,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:45:10,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:45:10,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10 WrapperNode [2024-11-08 22:45:10,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:45:10,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:45:10,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:45:10,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:45:10,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,452 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-08 22:45:10,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:45:10,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:45:10,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:45:10,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:45:10,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:45:10,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:45:10,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:45:10,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:45:10,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:10" (1/1) ... [2024-11-08 22:45:10,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:10,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:45:10,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:45:10,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:45:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:45:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:45:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:45:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:45:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:45:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:45:10,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:45:10,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:45:11,030 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:45:11,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:45:11,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:45:11,086 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:45:11,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:11 BoogieIcfgContainer [2024-11-08 22:45:11,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:45:11,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:45:11,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:45:11,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:45:11,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:11" (1/1) ... [2024-11-08 22:45:11,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:45:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 22:45:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 22:45:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:45:11,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:11,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 27 transitions. [2024-11-08 22:45:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 22:45:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:45:11,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:11,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:11,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:45:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:11,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:45:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:11,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:45:11,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:45:11 ImpRootNode [2024-11-08 22:45:11,877 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:45:11,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:45:11,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:45:11,880 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:45:11,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:11" (3/4) ... [2024-11-08 22:45:11,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:45:11,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:45:11,887 INFO L158 Benchmark]: Toolchain (without parser) took 2826.21ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 116.1MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:11,889 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 172.0MB. Free memory was 140.9MB in the beginning and 140.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:11,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.81ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 77.3MB in the end (delta: 23.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-08 22:45:11,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.47ms. Allocated memory is still 172.0MB. Free memory was 76.6MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:45:11,892 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 172.0MB. Free memory was 73.7MB in the beginning and 72.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:45:11,893 INFO L158 Benchmark]: RCFGBuilder took 584.63ms. Allocated memory is still 172.0MB. Free memory was 72.4MB in the beginning and 55.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:45:11,894 INFO L158 Benchmark]: CodeCheck took 789.58ms. Allocated memory is still 172.0MB. Free memory was 55.6MB in the beginning and 116.1MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:11,894 INFO L158 Benchmark]: Witness Printer took 7.20ms. Allocated memory is still 172.0MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:11,900 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, 24 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, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] 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] [L1589] CALL CWE191_Integer_Underflow__int_fgets_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] 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] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --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 172.0MB. Free memory was 140.9MB in the beginning and 140.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.81ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 77.3MB in the end (delta: 23.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.47ms. Allocated memory is still 172.0MB. Free memory was 76.6MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 172.0MB. Free memory was 73.7MB in the beginning and 72.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.63ms. Allocated memory is still 172.0MB. Free memory was 72.4MB in the beginning and 55.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 789.58ms. Allocated memory is still 172.0MB. Free memory was 55.6MB in the beginning and 116.1MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.20ms. Allocated memory is still 172.0MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:45:11,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk --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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:45:15,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:45:15,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:45:15,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:45:15,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:45:15,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:45:15,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:45:15,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:45:15,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:45:15,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:45:15,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:45:15,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:45:15,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:45:15,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:45:15,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:45:15,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:45:15,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:45:15,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:45:15,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:45:15,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:45:15,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:45:15,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:45:15,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:45:15,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:45:15,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:45:15,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:15,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:45:15,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:45:15,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:15,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:45:15,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:45:15,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:45:15,264 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:45:15,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:15,265 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:45:15,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2024-11-08 22:45:15,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:45:15,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:45:15,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:45:15,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:45:15,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:45:15,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:45:18,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:45:18,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:45:18,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-08 22:45:18,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/8f2389f4d/1e6df4a249884c42b24ff1d6acd1929b/FLAG0e884ae17 [2024-11-08 22:45:18,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/data/8f2389f4d/1e6df4a249884c42b24ff1d6acd1929b [2024-11-08 22:45:18,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:45:18,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:45:18,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:45:18,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:45:18,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:45:18,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:18" (1/1) ... [2024-11-08 22:45:18,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2b24aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:18, skipping insertion in model container [2024-11-08 22:45:18,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:18" (1/1) ... [2024-11-08 22:45:18,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:45:19,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:45:19,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:45:19,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:45:20,033 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:45:20,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20 WrapperNode [2024-11-08 22:45:20,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:45:20,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:45:20,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:45:20,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:45:20,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,119 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-08 22:45:20,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:45:20,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:45:20,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:45:20,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:45:20,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:45:20,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:45:20,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:45:20,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:45:20,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:20,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:45:20,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:45:20,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:45:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:45:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:45:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:45:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:45:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:45:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:45:20,411 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:45:20,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:45:20,607 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 22:45:20,607 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:45:20,686 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:45:20,686 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:45:20,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:20 BoogieIcfgContainer [2024-11-08 22:45:20,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:45:20,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:45:20,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:45:20,699 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:45:20,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:20" (1/1) ... [2024-11-08 22:45:20,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:45:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 22:45:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 22:45:20,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:45:20,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:20,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:20,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:20,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:45:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:20,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:21,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:45:21,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:21,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:45:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 27 transitions. [2024-11-08 22:45:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 22:45:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:45:21,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:21,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:21,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:21,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:21,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:45:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:21,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:45:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:21,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:45:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:21,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:45:21,528 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:45:21,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:45:21 ImpRootNode [2024-11-08 22:45:21,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:45:21,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:45:21,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:45:21,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:45:21,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:20" (3/4) ... [2024-11-08 22:45:21,574 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:45:21,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:45:21,576 INFO L158 Benchmark]: Toolchain (without parser) took 2980.23ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 36.9MB in the beginning and 42.5MB in the end (delta: -5.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,578 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:21,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.26ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.8MB in the beginning and 35.6MB in the end (delta: 1.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.79ms. Allocated memory is still 79.7MB. Free memory was 35.2MB in the beginning and 32.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,582 INFO L158 Benchmark]: Boogie Preprocessor took 50.55ms. Allocated memory is still 79.7MB. Free memory was 32.3MB in the beginning and 30.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,583 INFO L158 Benchmark]: RCFGBuilder took 513.88ms. Allocated memory is still 79.7MB. Free memory was 30.2MB in the beginning and 33.7MB in the end (delta: -3.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,585 INFO L158 Benchmark]: CodeCheck took 878.44ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 43.0MB in the end (delta: -9.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-08 22:45:21,586 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 96.5MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:21,593 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] 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] [L1589] CALL CWE191_Integer_Underflow__int_fgets_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] 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] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --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 0.59ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.26ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.8MB in the beginning and 35.6MB in the end (delta: 1.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.79ms. Allocated memory is still 79.7MB. Free memory was 35.2MB in the beginning and 32.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.55ms. Allocated memory is still 79.7MB. Free memory was 32.3MB in the beginning and 30.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.88ms. Allocated memory is still 79.7MB. Free memory was 30.2MB in the beginning and 33.7MB in the end (delta: -3.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * CodeCheck took 878.44ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 43.0MB in the end (delta: -9.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 96.5MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:45:21,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d4f35-52c2-47aa-a41a-2d41fc0e4a5b/bin/ukojak-verify-ImItNfHLgk/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