./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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 6a8251e3365fac549df161550d2b80eb2cbf186150600f9a57808306a6c46d65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:10,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:10,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:46:10,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:46:10,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:46:10,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:10,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:10,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:10,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:10,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:10,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:10,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:10,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:46:10,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:10,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:10,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:10,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:10,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:10,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:46:10,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:46:10,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:10,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:10,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:10,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:10,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:10,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:10,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:10,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:10,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:10,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:10,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:46:10,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:46:10,998 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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a8251e3365fac549df161550d2b80eb2cbf186150600f9a57808306a6c46d65 [2024-11-09 00:46:11,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:11,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:11,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:11,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:11,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:11,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i Unable to find full path for "g++" [2024-11-09 00:46:13,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:14,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:14,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i [2024-11-09 00:46:14,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/a98bc505b/fee681fa21df4088a98bedaa3e91d34a/FLAG67566039b [2024-11-09 00:46:14,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/a98bc505b/fee681fa21df4088a98bedaa3e91d34a [2024-11-09 00:46:14,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:14,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:14,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:14,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:14,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:14,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:14" (1/1) ... [2024-11-09 00:46:14,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fda75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:14, skipping insertion in model container [2024-11-09 00:46:14,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:14" (1/1) ... [2024-11-09 00:46:14,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:15,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:15,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:15,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:16,055 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:16,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16 WrapperNode [2024-11-09 00:46:16,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:16,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:16,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:16,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:16,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,129 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-09 00:46:16,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:16,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:16,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:16,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:16,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:16,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:16,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:16,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:16,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:16,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:16,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:16,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:46:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:46:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:46:16,532 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:16,535 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:16,717 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:16,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:16,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:16,789 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:46:16,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:16 BoogieIcfgContainer [2024-11-09 00:46:16,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:16,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:16,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:16,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:16,808 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:16" (1/1) ... [2024-11-09 00:46:16,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:16,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:46:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:46:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:46:16,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:46:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:46:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:46:17,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:17,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:17,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:17,874 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:46:17,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:46:17 ImpRootNode [2024-11-09 00:46:17,918 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:46:17,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:46:17,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:46:17,919 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:46:17,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:16" (3/4) ... [2024-11-09 00:46:17,922 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:46:17,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:46:17,925 INFO L158 Benchmark]: Toolchain (without parser) took 3726.75ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 93.9MB in the beginning and 156.9MB in the end (delta: -63.0MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,925 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:17,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1856.37ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 93.9MB in the beginning and 144.4MB in the end (delta: -50.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.32ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,928 INFO L158 Benchmark]: Boogie Preprocessor took 35.32ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,928 INFO L158 Benchmark]: RCFGBuilder took 623.44ms. Allocated memory is still 199.2MB. Free memory was 139.2MB in the beginning and 124.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,929 INFO L158 Benchmark]: CodeCheck took 1126.12ms. Allocated memory is still 199.2MB. Free memory was 124.6MB in the beginning and 158.0MB in the end (delta: -33.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,930 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 199.2MB. Free memory was 158.0MB in the beginning and 156.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:17,935 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1856.37ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 93.9MB in the beginning and 144.4MB in the end (delta: -50.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.32ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.32ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.44ms. Allocated memory is still 199.2MB. Free memory was 139.2MB in the beginning and 124.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1126.12ms. Allocated memory is still 199.2MB. Free memory was 124.6MB in the beginning and 158.0MB in the end (delta: -33.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 199.2MB. Free memory was 158.0MB in the beginning and 156.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:46:17,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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 6a8251e3365fac549df161550d2b80eb2cbf186150600f9a57808306a6c46d65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:20,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:20,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:46:20,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:20,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:20,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:20,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:20,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:20,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:20,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:20,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:20,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:20,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:20,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:20,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:46:20,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:46:20,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:20,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:46:20,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:46:20,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:46:20,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:20,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:20,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:20,942 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:20,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:20,942 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:20,943 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:46:20,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:20,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:20,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:20,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:20,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:20,947 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:46:20,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:20,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:46:20,948 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_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a8251e3365fac549df161550d2b80eb2cbf186150600f9a57808306a6c46d65 [2024-11-09 00:46:21,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:21,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:21,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:21,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:21,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:21,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i Unable to find full path for "g++" [2024-11-09 00:46:23,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:24,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:24,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_bad.i [2024-11-09 00:46:24,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/c7ea85019/360e7b9c6d6d4e2188a44c453d012585/FLAGb1abae73f [2024-11-09 00:46:24,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/data/c7ea85019/360e7b9c6d6d4e2188a44c453d012585 [2024-11-09 00:46:24,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:24,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:24,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:24,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:24,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:24,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:24" (1/1) ... [2024-11-09 00:46:24,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c935cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:24, skipping insertion in model container [2024-11-09 00:46:24,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:24" (1/1) ... [2024-11-09 00:46:24,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:25,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:25,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:25,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:25,887 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:25,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25 WrapperNode [2024-11-09 00:46:25,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:25,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:25,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:25,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:25,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:25,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:25,976 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-09 00:46:25,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:25,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:25,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:25,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:25,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:25,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:25,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:26,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:26,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:26,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:26,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:25" (1/1) ... [2024-11-09 00:46:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:26,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:26,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:46:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:26,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:26,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:26,470 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:26,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:26,565 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:26,565 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:46:26,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:26 BoogieIcfgContainer [2024-11-09 00:46:26,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:26,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:26,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:26,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:26,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:26" (1/1) ... [2024-11-09 00:46:26,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:46:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:46:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:46:26,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:26,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:26,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:26,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:46:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:26,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:26,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:46:26,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:26,966 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:46:26,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:46:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:46:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:46:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:46:26,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:26,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:27,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:46:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:27,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:27,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:27,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:46:27,412 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:46:27,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:46:27 ImpRootNode [2024-11-09 00:46:27,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:46:27,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:46:27,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:46:27,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:46:27,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:26" (3/4) ... [2024-11-09 00:46:27,449 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:46:27,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:46:27,454 INFO L158 Benchmark]: Toolchain (without parser) took 3166.15ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 47.8MB in the beginning and 75.7MB in the end (delta: -28.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,454 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:27,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.46ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 61.0MB in the end (delta: -13.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.91ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,458 INFO L158 Benchmark]: Boogie Preprocessor took 43.64ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,459 INFO L158 Benchmark]: RCFGBuilder took 541.57ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 62.3MB in the end (delta: -6.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,461 INFO L158 Benchmark]: CodeCheck took 877.10ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 75.7MB in the end (delta: -13.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:27,462 INFO L158 Benchmark]: Witness Printer took 7.22ms. Allocated memory is still 111.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:27,466 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, 16 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 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 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1575, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] data + 1 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 0.57ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.46ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 61.0MB in the end (delta: -13.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.91ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.64ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.57ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 62.3MB in the end (delta: -6.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * CodeCheck took 877.10ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 75.7MB in the end (delta: -13.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 7.22ms. Allocated memory is still 111.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:46:27,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d9673-07bd-4f59-bec4-bdc9b7fcacb1/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